“composed of”常用于说明某物由哪些部分/成分组成,相当于“由……构成/由……组成”。(同义表达还有 made up of、consist of 等)
/kəmˈpoʊzd əv/(美); /kəmˈpəʊzd ɒv/(英)
The team is composed of five students.
这个团队由五名学生组成。
The committee, composed of scientists, teachers, and community leaders, will review the plan and publish a report next month.
该委员会由科学家、教师和社区领袖组成,将审查该计划并于下月发布报告。
composed 来自动词 compose(“组成、构成;创作”),其词根可追溯到拉丁语 componere(com- “一起” + ponere “放置”),本义有“把东西放在一起”。“composed of”是常见的被动结构,用来强调“整体由部分构成”。