Botulinic acid
[医] 尿囊毒酸
🧩 词语组成解析
🗣️ 情景例句
He bites off more than he can chew.
贪多嚼不烂。
May I smoke?
我能抽烟吗？
She entered the station twenty minutes before the train was due,
在火车进站20分钟前她就进了车站。