composition基本解释
n,作文，作曲；[材]构成；合成物,同近
composition相关例句和用法Some minerals have complex chemical compositions..有些矿物的化学构成很复杂。
composition英英释义组成，构成，结构英释nnthe way in which something is made up of different parts, things, or members
composition短语chemical composition,化学成分；化学组成.短语
composition 真题例题真题例句...and there is no evidence that texting is ruining composition skills
