英 [ˌkɒmpəˈzɪʃ(ə)n] 美 [ˌkɑːmpəˈzɪʃ(ə)n]
n. 成分构成，成分；（音乐、艺术、诗歌的）作品；创作，作曲；构图；作文
[ 复数 compositions ][1]
柯林斯英汉双解大词典
composition /ˌkɒmpəˈzɪʃən/ CET4 TEM4
1.N-UNCOUNT When you talk about the composition of something, you are referring to the way in which its various parts are put together and arranged. 构成
2.N-COUNT The compositions of a composer, painter, or other artist are the works of art that they have produced. (作曲家、画家等艺术家的) 作品
3.N-COUNT A composition is a piece of written work that children write at school. (学生的) 作文[1]
chemical composition 化学成分；化学组成
mineral composition 矿物组成，矿物成分
phase composition 相组成；相成分；相位成分
species composition 物种组成；种类成分
gas composition 气体组分，气体成分
body composition 身体组成
musical composition 乐曲
internal composition 内部合成
product composition 产品构成