escort 护卫、卫队

escort 1

• verb [T]

to go somewhere with someone, for example to protect or guard them:
?Armed guards escorted the prisoners into the courthouse.
?David offered to escort us to the theatre.

escort 2

• noun

1 [C,U] a person or people who go somewhere with someone in order to protect or guard them:
?a police escort
?under escort (= with an escort) The prisoners will be transported under military escort.
2 [C] someone who goes with another person to a social event, usually a man who goes with a woman

escalate 升级

• verb
• 

1 [I,T] if violence or a war escalates or is escalated, it quickly becomes worse:
?Fighting has escalated in several areas.
2 [I] if prices escalate, they increase:
?escalating interest rates
escalation noun [C,U]

errand 差使

• noun [C]
• 

a short trip that you make to buy something or do something for someone:
?run an errand: Could you run an errand for Grandma?
fool's errand（n 徒劳无功的工作）

erode 侵蚀

verb

1 [I,T] if land, rocks etc are eroded or if they erode, they are gradually destroyed, by the wind, rain, or sea:
?The coastline is being eroded by the sea.
2 [T] to gradually destroy someone's power, confidence, rights etc:
?Her confidence has been eroded by recent criticism.
erosion noun [U]

g.The.
erode
corrode
corrupt
deteriorate

erect

erect 1

•  adjective

in a straight, upright position:
?The dog stopped and listened with its ears erect.

 erect 2

• verb [T]

1    formal to build something:
?This ancient church was erected in 1121.
2    to put something in an upright position:

?Security barriers were erected to hold the crowd back.

eradicate 斩草除根

• verb [T]

to get rid of something such as an illness or social problem completely:
?attempts to eradicate prejudice
eradication noun [U]

g.Mem.
eradicate根除，灭绝（e+radic根＋ate→把根挖出→根除）

equivocal

ambiguous

模棱两可

equivalent 等价物

g.Wro.

equivalent

equitable

•  adjective formal

fair and equal for everyone:
?an equitable distribution of resources
equitably adverb

equilibrium 均衡

g.Wro.
equilibrium

equator

ephemeral 朝生暮死

• adjective
• 

formal existing only for a short time:
?the ephemeral nature of human existence

enzyme

envisage 展望、设想

 also envision verb [T]
to think that something is likely to happen in the future:
?I don't envisage any major problems.

entreat 乞求

 verb [T] formal
to ask someone to do something for you, showing that you will be very upset if they do not do it:
?She entreated me to forgive her.
entreaty noun [C,U]

entrepreneur

entrepreneur

entangle

•  verb
• 

1    be entangled to be involved with someone or something in a way that causes problems:
?entangle with:
Jay became romantically entangled with a work colleague.
2    to be caught and trapped in a net or mass of ropes, hair etc:
?a fish entangled in the net
entanglement noun [C,U]

entail 伴随

 verb [T]
to involve something or make it necessary:
?Does your new job entail much travelling?

ensue

 verb [I] formal
to happen after something, often as a result of it:
?A long silence ensued.
ensuing adjective:
?The ensuing battle was fierce.

ensemble

•  noun [C]
• 

a small group of musicians or actors who perform together regularly

enquire

 BrE
another spelling of INQUIRE

engrossed 聚精会神

•  adjective

so interested in something that you do not think of anything else:
?+in: He was so engrossed in his work that he forgot about lunch.

engrave

•  verb [T]
• 

to cut words or pictures into the surface of metal, wood, glass etc:
?a gold pen engraved with his initials

endow 资助

•  verb [T]

1    to give a college, hospital etc a large sum of money that will provide it with an income
2    be endowed with formal to naturally have a good quality, feature, or ability:
?a woman endowed with both beauty and intelligence

endorse

 verb [T]

to officially say that you support or approve of someone or something:
?The president refuses to endorse military action.
endorsement noun [C,U]

endeavour 奋力

奋进号
endeavour 1

• BrE, endeavor AmE noun [C,U] formal

an attempt or effort to do something:
?We wish you well in your future endeavours.

 endeavour 2

• BrE, endeavor AmE ?verb [I] formal

to try very hard

embark

•  verb [I]

to get on a ship
embarkation noun [C,U] --opposite DISEMBARK
embark on/upon sth phrasal verb [T]
to start something new, difficult, or exciting:
?Hal is leaving the band to embark on a solo career.

empirical

•  adjective

based on scientific methods or practical experience, not on ideas:
?Empirical evidence is needed to support their theory.

impose

•  verb

1    [T] to force people to accept a rule, a tax, your beliefs etc:
?impose sth on sb:
They want to impose their culture on us.
You shouldn't try and impose your views on your children.
2    [I] to unreasonably ask someone to do something for you that may cause them a lot of work or trouble:
?impose on/upon:
We could ask the neighbours to help again, but I don't want to impose on them.

数学英语词汇表

一般词汇

• • 数学 mathematics, maths(BrE), math(AmE)
    
  • 公理 axiom
    
  • 定理 theorem
    
  • 计算 calculation
    
  • 运算 operation
    
  • 证明 prove
    
  • 假设 hypothesis, hypotheses(pl.)
    
  • 命题 proposition
    
  
  
• 算术 arithmetic
  
  • 加 plus(prep.), add(v.), addition(n.)
    
  • 被加数 augend, summand
    
  • 加数 addend
    
  • 和 sum
    
  • 减 minus(prep.), subtract(v.), subtraction(n.)
    
  • 被减数 minuend
    
  • 减数 subtrahend
    
  • 差 remainder
    
  • 乘 times(prep.), multiply(v.), multiplication(n.)
    
  • 被乘数 multiplicand, faciend
    
  • 乘数 multiplicator
    
  • 积 product
    
  • 除 divided by(prep.), divide(v.), division(n.)
    
  • 被除数 dividend
    
  • 除数 divisor
    
  • 商 quotient
    
  • 等于 equals, is equal to, is equivalent to
    
  • 大于 is greater than
    
  • 小于 is lesser than
    
  • 大于等于 is equal or greater than
    
  • 小于等于 is equal or lesser than
    
  • 运算符 operator
    
  • 数字 digit
    
  • 数 number
    
  • 自然数 natural number
    
  • 整数 integer
    
  • 小数 decimal
    
  • 小数点 decimal point
    
  • 分数 fraction
    
  • 分子 numerator
    
  • 分母 denominator
    
  • 比 ratio
    
  • 正 positive
    
  • 负 negative
    
  • 零 null, zero, nought, nil
    
  • 十进制 decimal system
    
  • 二进制 binary system
    
  • 十六进制 hexadecimal system
    
  • 权 weight, significance
    
  • 进位 carry
    
  • 截尾 truncation
    
  • 四舍五入 round
    
  • 下舍入 round down
    
  • 上舍入 round up
    
  • 有效数字 significant digit
    
  • 无效数字 insignificant digit
    
  
  
• 代数 algebra
  
  • 公式 formula, formulae(pl.)
    
  • 单项式 monomial
    
  • 多项式 polynomial, multinomial
    
  • 系数 coefficient
    
  • 未知数 unknown, x-factor, y-factor, z-factor
    
  • 等式，方程式 equation
    
  • 一次方程 simple equation
    
  • 二次方程 quadratic equation
    
  • 三次方程 cubic equation
    
  • 四次方程 quartic equation
    
  • 不等式 inequation
    
  • 阶乘 factorial
    
  • 对数 logarithm
    
  • 指数，幂 exponent
    
  • 乘方 power
    
  • 二次方，平方 square
    
  • 三次方，立方 cube
    
  • 四次方 the power of four, the fourth power
    
  • n次方 the power of n, the nth power
    
  • 开方 evolution, extraction
    
  • 二次方根，平方根 square root
    
  • 三次方根，立方根 cube root
    
  • 四次方根 the root of four, the fourth root
    
  • n次方根 the root of n, the nth root
    
  • 集合 aggregate
    
  • 元素 element
    
  • 空集 void
    
  • 子集 subset
    
  • 交集 intersection
    
  • 并集 union
    
  • 补集 complement
    
  • 映射 mapping
    
  • 函数 function
    
  • 定义域 domain, field of definition
    
  • 值域 range
    
  • 常量 constant
    
  • 变量 variable
    
  • 单调性 monotonicity
    
  • 奇偶性 parity
    
  • 周期性 periodicity
    
  • 图象 image
    
  • 数列，级数 series
    
  • 微积分 calculus
    
  • 微分 differential
    
  • 导数 derivative
    
  • 极限 limit
    
  • 无穷大 infinite(a.) infinity(n.)
    
  • 无穷小 infinitesimal
    
  • 积分 integral
    
  • 定积分 definite integral
    
  • 不定积分 indefinite integral
    
  • 有理数 rational number
    
  • 无理数 irrational number
    
  • 实数 real number
    
  • 虚数 imaginary number
    
  • 复数 complex number
    
  • 矩阵 matrix
    
  • 行列式 determinant
    
  
  
• 几何 geometry
  
  • 点 point
    
  • 线 line
    
  • 面 plane
    
  • 体 solid
    
  • 线段 segment
    
  • 射线 radial
    
  • 平行 parallel
    
  • 相交 intersect
    
  • 角 angle
    
  • 角度 degree
    
  • 弧度 radian
    
  • 锐角 acute angle
    
  • 直角 right angle
    
  • 钝角 obtuse angle
    
  • 平角 straight angle
    
  • 周角 perigon
    
  • 底 base
    
  • 边 side
    
  • 高 height
    
  • 三角形 triangle
    
  • 锐角三角形 acute triangle
    
  • 直角三角形 right triangle
    
  • 直角边 leg
    
  • 斜边 hypotenuse
    
  • 勾股定理 Pythagorean theorem
    
  • 钝角三角形 obtuse triangle
    
  • 不等边三角形 scalene triangle
    
  • 等腰三角形 isosceles triangle
    
  • 等边三角形 equilateral triangle
    
  • 四边形 quadrilateral
    
  • 平行四边形 parallelogram
    
  • 矩形 rectangle
    
  • 长 length
    
  • 宽 width
    
  • 菱形 rhomb, rhombus, rhombi(pl.), diamond
    
  • 正方形 square
    
  • 梯形 trapezoid
    
  • 直角梯形 right trapezoid
    
  • 等腰梯形 isosceles trapezoid
    
  • 五边形 pentagon
    
  • 六边形 hexagon
    
  • 七边形 heptagon
    
  • 八边形 octagon
    
  • 九边形 enneagon
    
  • 十边形 decagon
    
  • 十一边形 hendecagon
    
  • 十二边形 dodecagon
    
  • 多边形 polygon
    
  • 正多边形 equilateral polygon
    
  • 圆 circle
    
  • 圆心 centre(BrE), center(AmE)
    
  • 半径 radius
    
  • 直径 diameter
    
  • 圆周率 pi
    
  • 弧 arc
    
  • 半圆 semicircle
    
  • 扇形 sector
    
  • 环 ring
    
  • 椭圆 ellipse
    
  • 圆周 circumference
    
  • 周长 perimeter
    
  • 面积 area
    
  • 轨迹 locus, loca(pl.)
    
  • 相似 similar
    
  • 全等 congruent
    
  • 四面体 tetrahedron
    
  • 五面体 pentahedron
    
  • 六面体 hexahedron
    
  • 平行六面体 parallelepiped
    
  • 立方体 cube
    
  • 七面体 heptahedron
    
  • 八面体 octahedron
    
  • 九面体 enneahedron
    
  • 十面体 decahedron
    
  • 十一面体 hendecahedron
    
  • 十二面体 dodecahedron
    
  • 二十面体 icosahedron
    
  • 多面体 polyhedron
    
  • 棱锥 pyramid
    
  • 棱柱 prism
    
  • 棱台 frustum of a prism
    
  • 旋转 rotation
    
  • 轴 axis
    
  • 圆锥 cone
    
  • 圆柱 cylinder
    
  • 圆台 frustum of a cone
    
  • 球 sphere
    
  • 半球 hemisphere
    
  • 底面 undersurface
    
  • 表面积 surface area
    
  • 体积 volume
    
  • 空间 space
    
  • 坐标系 coordinates
    
  • 坐标轴 x-axis, y-axis, z-axis
    
  • 横坐标 x-coordinate
    
  • 纵坐标 y-coordinate
    
  • 原点 origin
    
  • 双曲线 hyperbola
    
  • 抛物线 parabola
    
  
  
• 三角 trigonometry
  
  • 正弦 sine
    
  • 余弦 cosine
    
  • 正切 tangent
    
  • 余切 cotangent
    
  • 正割 secant
    
  • 余割 cosecant
    
  • 反正弦 arc sine
    
  • 反余弦 arc cosine
    
  • 反正切 arc tangent
    
  • 反余切 arc cotangent
    
  • 反正割 arc secant
    
  • 反余割 arc cosecant
    
  • 相位 phase
    
  • 周期 period
    
  • 振幅 amplitude
    
  • 内心 incentre(BrE), incenter(AmE)
    
  • 外心 excentre(BrE), excenter(AmE)
    
  • 旁心 escentre(BrE), escenter(AmE)
    
  • 垂心 orthocentre(BrE), orthocenter(AmE)
    
  • 重心 barycentre(BrE), barycenter(AmE)
    
  • 内切圆 inscribed circle
    
  • 外切圆 circumcircle
    
  
  
• 统计 statistics
  
  • 平均数 average
    
  • 加权平均数 weighted average
    
  • 方差 variance
    
  • 标准差 root-mean-square deviation, standard deviation
    
  • 比例 propotion
    
  • 百分比 percent
    
  • 百分点 percentage
    
  • 百分位数 percentile
    
  • 排列 permutation
    
  • 组合 combination
    
  • 概率，或然率 probability
    
  • 分布 distribution
    
  • 正态分布 normal distribution
    
  • 非正态分布 abnormal distribution
    
  • 图表 graph
    
  • 条形统计图 bar graph
    
  • 柱形统计图 histogram
    
  • 折线统计图 broken line graph
    
  • 曲线统计图 curve diagram
    
  • 扇形统计图 pie diagram
    
  
  

buy out

buy sb/sth <-> out phrasal verb [T]
to get control of a business by buying all the SHAREs in it

revamp

revamp

• verb [T]

to change something in order to try to improve it:
?an attempt to revamp the city's image

g.SS.
Revamp & Vamp & Vampire

g.The.
fix
mend
amend
correct
modify