Hexoic acid
[机] 己酸
🧩 词语组成解析
🗣️ 情景例句
Are you sending it by regular or by speed?
你要寄平信还是快递？
I found an excellent position through an employment agency.
我通过职业介绍所找到了一份很棒的工作。
You've got a point there.
你说的有道理。