化学和物理的英文单词

　　该国并未保证禁用化学武器。

　　The country has not forsworn the use of chemical weapons.

　　河水中的化学物质含量不容忽视。

　　The levels of chemicals in the river are not insignificant.

　　空气中弥漫的化学物质熏得我们的眼睛火辣辣地痛。

　　Our eyes were burning from the chemicals in the air.

　　我在学物理、生物和化学。

　　I'm doing physics, biology and chemistry.

　　他对物理一窍不通。

　　He has a complete mental block when it comes to physics.

　　比较一下这两种物质的物理特性。

　　Compare the physical properties of the two substances.