exposure/ɪkˈspəʊʒə(r)/
n.(与to连用)1. 暴露He nearly died of exposure on the cold mountain.他在寒冷的高山上差一点没有冻死。
2. 揭露public exposure公开揭露
3. 底片I have three exposures left on this film.这卷胶卷我还有三张底片未拍。
4. 曝光时间These two pictures were taken with different exposures.这两张照片的曝光时间不同。