composition/ˌkɒmpə'zɪ∫ən $ ˌkɑːm-/

n.

➊ a short piece of writing about a subject, done by a student

➋ the process or skill of writing music

➌ a piece of music that sb has written

n.

➊ [C] 作文：[composition about sth] write a 220-word composition about the journey 就该次旅行写一篇220个单词的作文

➋ [U] 作曲：At music school, she studied composition. 她在音乐学校里学的是作曲。

➌ [C] 音乐作品：one of Mozart's compositions 莫扎特的音乐作品之一

构词com- + pos (= put) + i + -tion →“把各种文字内容组合在一起”即“作文”

同根 deposit; expose; oppose; opposite; position; positive; suppose