1 [U] [C] the act of making sth public; the thing that is made public 公开；揭露；公开或揭露的事物: The new movie has been given a lot of exposure in the media. 新闻媒体已经对这部新电影作了大量报道。The politician resigned because of the exposures about his private life. 那政客因私生活被揭露而辞职。

2 [U] being allowed or forced to experience sth 允许或被逼经历（某事物）: Exposure to radiation is almost always harmful. 接触放射线几乎肯定有害。Television can give children exposure to other cultures from an early age. 电视使儿童从小便能接触别的文化。

3 [U] a harmful condition when a person becomes very cold because he/she has been outside in very bad weather （因呆在外面恶劣天气中受冷而引起的）冻馁，冻伤: The climbers all died of exposure. 这几名登山者都冻死了。

4 [C] the amount of film that is used when you take one photograph 拍一张照片所用的底片: How many exposures are there on this film? 这胶卷可以拍多少张照片？