Corynanthic acid
[化] 柯楠酸
🧩 词语组成解析
🗣️ 情景例句
There are several tours of the Grand Canyon.
到大峡谷有好几个旅游团。
I know the boy whose father is a dentist.
我知道那个男孩的父亲是牙医。
Who says?
谁说的？