compose的名词形式有两个，分别为composition和composer。compose作为动词，含义有组成、构成以及作曲、创作等；而composer作为名词，意为创作者、作曲者；composition作为名词，意为成分、组合方式、作品等。
一、compose的含义及用法
compose作为动词，意为组成，构成(一个整体);作曲;创作(音乐);撰写(信函、讲稿、诗歌等)。
例句：Ten men compose the committee.
委员会由十人组成。
Mozart composed his last opera shortly before he died.
莫扎特在创作出他最后一部歌剧后不久便去世了。
She composed a letter of protest.
她写了一封抗议信。
I was so confused that I could hardly compose my thoughts.
我心烦意乱，难以镇定思绪。
二、composer的含义及用法
composer作为名词，意为(尤指古典音乐的)创作者;作曲者;作曲家。
例句：The composer was one of many illustrious visitors to the town.
那位作曲家是许多造访过这个城市的杰出人物之一。
He was born to be a great composer.
他是个天生的伟大作曲家。
She's only 18 but she's already a practised composer.
她才18岁，但已成了老练的作曲家。
As a professional composer I owe much to Radio 3
作为一名职业作曲家，我十分感激第三电台。
三、composition的含义及用法
composition作为名词，意为成分;构成;组合方式;(音乐、艺术、诗歌的)作品;作曲;创作。
例句：He made several spelling mistakes in the composition.
他在作文中犯了多处拼写错误。
These plays are arranged in their order of composition.
这些剧作是按照其创作的先后顺序安排的。
He taught the piano, organ and composition
他教授钢琴、管风琴和作曲。
Why didn't you select a better subject for your composition?
你为什么不选一个好一点的作文题？
