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- 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。
- Chemistry was her favourite subject at school. 她上学时最喜欢化学。
- 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。
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- 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 have lost my interest in chemistry. 我对化学已不感兴趣。
- He was still devoted to the study of chemistry. 他仍专心致力於化学研究。
- Physical chemistry is Greek to me. 我对物理化学一窍不通。
- pneumatic chemistry [医] 气体化学
- The chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- The chemistry of stars and interstellar space. 天体化学关于星和星际空间的化学
- My son is studying physical chemistry but it's all Greek to me. 我儿子正研究物理化学，但我对此一窍不通。
- The retiring miner delivered his pneumatic drill over to his successor. 这位即将退休的矿工把风钻移交给他的接班人。
- Pneumatic signals will travel only at sonic speeds. 气动信号的传输速度仅仅相当于音速。
- When were pneumatic tyres invented? 充气轮胎是什么时间发明的?
- A projecting rim or lip,as on a pneumatic tire. 轮胎卷边突出的外围或边缘，如充气轮胎的边缘突起
