您要查找的是不是：
- He dug out a faded photograph and showed it to me. 他找出一张褪了色的照片拿给我看。
- We have three periods of chemistry a week. 我们一星期三节化学课。
- The scientist probed into the secrets of chemistry. 这位科学家探索了化学的种种奥秘。
- The photograph was backed with cardboard. 照片背面衬上了一层纸板。
- Chemistry was her favourite subject at school. 她上学时最喜欢化学。
- I planned to enlarge this photograph. 我计划放大这张照片。
- Have you seen my photograph in the newspaper? 你看到我在报纸上的照片了吗？
- No one can cope with him in Chemistry. 在化学方面，谁也比不上他。
- I am not good at organic chemistry. 我的有机化学学得不好。
- I'd like to enlarge a photograph. 我想放大一张照片。
- Stand still while I am taking your photograph. 我帮你拍照时站着不要动。
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- He took a photograph of the child. 他给那孩子拍了一张照片。
- The photograph brings back many pleasant memories. 这张照片使人回想起许多愉快的往事。
- He is an authority in the region of chemistry. 他是化学界的权威。
- I have only a rudimentary grasp of chemistry. 我只掌握了化学的初步知识。
- I snapped a nice photograph of her. 我给她拍了一张很好的快照。
- That photograph is not sharp enough. 那张照片不够清晰。
- I have lost my interest in chemistry. 我对化学已不感兴趣。
