Lesson 1 Another school Year-What For? I Word Study 4, expose v, a to subject or allow to be subjected to an action or an influence使受影响 b to subject (a photographic film, for example) to the action of light使曝光 C to make known(sth discreditable) to reveal (the guilt or wrongdoing of) 揭发(有损信誉的事);揭露(罪恶或错误的行为) WBTLE NEXTLesson 1 Another School Year—What For? W B T L E 4. expose v. a. to subject or allow to be subjected to an action or an influence 使受影响 b. to subject (a photographic film, for example) to the action of light 使曝光 c. to make known (sth. discreditable); to reveal (the guilt or wrongdoing of) 揭发（有损信誉的事）；揭露（罪恶或错误的行为） To be continued on the next page. I. Word Study