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- Keywords polyarylate;acetoacetic acid group;acetylizing; 聚丙烯酸酯;乙酰乙酸基團;乙?；?
- We have three periods of chemistry a week. 我們一星期三節化學(xué)課。
- The scientist probed into the secrets of chemistry. 這位科學(xué)家探索了化學(xué)的種種奧秘。
- Chemistry was her favourite subject at school. 她上學(xué)時(shí)最喜歡化學(xué)。
- No one can cope with him in Chemistry. 在化學(xué)方面，誰(shuí)也比不上他。
- I am not good at organic chemistry. 我的有機化學(xué)學(xué)得不好。
- He gave me a taste of his acid wit. 他讓我嘗到了他敏銳尖刻之機智的滋味。
- We will do a Chemistry experiment this Friday. 這個(gè)周五我們要做化學(xué)試驗。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把銀器的表面腐蝕了。
- He is an authority in the region of chemistry. 他是化學(xué)界的權威。
- I have only a rudimentary grasp of chemistry. 我只掌握了化學(xué)的初步知識。
- I have lost my interest in chemistry. 我對化學(xué)已不感興趣。
- I am doing an experiment of neutralizing acid. 我在做一個(gè)中和酸的實(shí)驗。
- He was still devoted to the study of chemistry. 他仍專(zhuān)心致力於化學(xué)研究。
- Can Jones beat Smith? That's the acid test. 瓊斯能擊敗史密斯嗎？那是個(gè)嚴峻的考驗。
- Physical chemistry is Greek to me. 我對物理化學(xué)一竅不通。
- A salt or an ester of boric acid. 硼酸鹽一種硼酸鹽或硼酸酯
- The chemistry of petroleum and its derivatives. 石油化學(xué)石油及其復合物的化學(xué)
