Monocarboxylic acid
[化] 一元羧酸
🧩 词语组成解析
a. [化]一元羧的
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
What is he doing?
他做什么事？
I hope you're enjoying your staying here.
希望你在这里过得愉快。