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- We have three periods of chemistry a week. 我们一星期三节化学课。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- 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。
- It is said that there are wolves in this forest. 据说这片森林里有狼。
- I am not good at organic chemistry. 我的有机化学学得不好。
- A large part of Africa is made up of thick forest. 非洲的大部分地区都是密林。
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- There is a leafy forest in our hometown. 在我们的家乡有一片树叶茂密的森林。
- There is a pine forest near our house. 我们家附近有片松树林。
- Billows of flame swept through the forest. 熊熊烈火席卷森林。
- The forest was almost impassable. 森林几乎不可逾越。
- 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。
- The path petered out deep in the forest. 小路漫漫消失在密林深处。
- He was still devoted to the study of chemistry. 他仍专心致力於化学研究。
- The cottage was a casualty of the forest fire. 那小屋被森林大火烧毁。
