Monocarboxylic
a. [化]一元羧的
🗣️ 情景例句
What are you doing?
在做什么？
He who likes borrowing dislikes paying.
爱借钱者不爱还钱。
Oh, dear! said Miss Yang. Are you sure you've lost it?
“哎呀！”杨小姐说，“你肯定你弄丢了？”