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- anion chemistry constitution 阴离子化学成分
- The President swore to uphold the constitution. 总统宣誓维护宪法。
- 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。
- He has a constitution that defies any climate. 他有足以抵御任何气候的体格。
- He was a man with a sound constitution. 他是个体质强健的人。
- Chemistry was her favourite subject at school. 她上学时最喜欢化学。
- The constitution provides for an elected two-chamber legislature. 宪法规定设置经选举产生的两院制立法机构。
- 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 has a, cast-iron constitution. 他的身体是铁打的。
- Hunger and disease had weakened his constitution. 他饥饿与疾病交加，体质已削弱。
- The young man has a strong constitution. 这位年轻人身强力壮。
- 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。
