(formal)to be made or formed from several parts, things or people由…组成（或构成）的
The committee is composed mainly of lawyers.委员会主要由律师组成。🔊🔊
The committee was composed entirely of specialists.该委员会完全由专家组成。
Synonyms consist of somebody/somethingconsist of somebody/something
comprise
be composed of somebody/something
These words all mean to be formed from the things or people mentioned.
consist of somebody/somethingto be formed from the people, things or activities mentioned:
Their diet consists largely of vegetables.他们的日常饮食以蔬菜为主。
Consist of somebody/something is the only one of these words that can be used for activities with the -ing form of a verb: My work at that time just consisted of typing letters.
comprise(rather formal) to be formed from the things or people mentioned:指由…组成、构成：
The collection comprises 327 paintings.这组收藏有 327 幅画。
You can also say be comprised of somebody/something: The collection is comprised of 327 paintings. It is not correct to say ‘comprises of’, even though you may say this form being used: The apartment comprises of kitchen, living room, bedroom and bathroom.
be composed of somebody/something(rather formal) to be formed from the things or people mentioned:指由…组成、构成：
Around 15 per cent of our diet is composed of protein.我们饮食中约有15％由蛋白质组成。