O-carboxy cinnamic acid
[建] 羧基肉桂酸
🧩 词语组成解析
n. [有化] 羧基
a. 苯乙烯的
🗣️ 情景例句
Tell me about your educational background.
告诉我你的学习背景。
A friend is not so soon gotten as lost.
交友慢，失友快。
Why didn't you tell her to use her own?
你为什么不叫她用自己的？