expose

•  verb [T]

1    to remove the cover from something that is usually covered:
?expose sth to sth: When a wound is exposed to the air, it heals more quickly.
2    to put someone in a situation, place etc that may be harmful or dangerous:
?be exposed to: Workers in the nuclear industry were exposed to high levels of radiation.
3    to tell people the truth about something bad or dishonest:
?His criminal activities were finally exposed in 'The Daily Mirror'.
4    to give someone experience of different ideas, TRADITIONs etc:
?be exposed to: Children who have been exposed to different cultures are less likely to be prejudiced.
5    to allow light onto a piece of film in a camera in order to produce a photograph.    曝光