constituent

1. N-COUNT A constituent is someone who lives in a particular constituency, especially someone who is able to vote in an election. 选民

He told his constituents that he would continue to represent them to the best of his ability. 他告诉他的选民们他会继续竭尽所能代表他们。

2. N-COUNT A constituent of a mixture, substance, or system is one of the things from which it is formed. 成分[正式]

Caffeine is the active constituent of drinks such as tea and coffee. 咖啡因是茶和咖啡这类饮品的活性成分。

3. ADJ The constituent parts of something are the things from which it is formed. 构成的[正式] [ADJ n]

...a plan to split the company into its constituent parts and sell them separately. …一项把公司拆分为各构成部分然后分别出售的计划。