component part

(组合)零件, 部件, (组)成(部)分

例句与用法：

The study of how words and their component parts combine to form sentences.

文法学对词以及其组成部分如何结合以形成句子的研究

The processing and assemble business is a component part of our foreign trade.

加工和装配贸易是我国对外贸易的一个组成部分。

Brimstone is a component part of explosive.

硫磺是炸药的一种组成成分。