Hexenic acid
[化] 己烯酸
🧩 词语组成解析
🗣️ 情景例句
and I've completely forgotten about all my business problems.
但我已经彻底抛开了我所有的业务上的问题。
How long have you been studying English?
你学了多长时间的英语了？
Take this medicine three times a day.
这药每天服3次。