education_work
chemical
/ˈkɛməkəl/
释义与例句
adj.
1
a distinct compound or substance, especially one which has been purified or prepared artificially.
化学品, 化学物质
I can teach about chemicals!
我可以教化学知识！
记忆技巧
dangerous chemicals 危险化学品
harmful chemicals 有害化学物质
chemical exposure 化学接触 / 暴露