您要查找的是不是：
- The NADP home page offers data from a US network of 200 precipitation chemistry and atmospheric monitoring stations. 该网站提供了美国200多大气降水化学性质监测站的数据。
- The Precipitation Chemistry of Coniferous and Broad-Leaved Forest in Chongqing City 重庆市铁山坪针叶林和观音桥阔叶林的降水化学特征
- Study on the precipitation chemistry and atmospheric transport at the Mount Taishan 泰山降水化学及大气传输的研究
- 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。
- Precipitation chemistry in the coast of the Metropolitan Region of Rio de Janeiro, Brazil 巴西大都市区域海岸中的沉淀化学
- Chemistry was her favourite subject at school. 她上学时最喜欢化学。
- Precipitation chemistry in the multiple canopies of Shaoshan forest in Hunan Province 湖南韶山森林复合冠层沉降化学
- 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。
- There will be precipitation on northern hills tonight. 今夜北部山区有降雪。
- 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
