be composed of
US /bi kəmˈpoʊzd əv/
UK /bi kəmˈpəʊzd əv/
短语动词
由...组成, 由...构成
to be formed from various things or people
示例:
•
The committee will be composed of members from different departments.
委员会将由不同部门的成员组成。
•
Water is composed of hydrogen and oxygen.
水由氢和氧组成。