Fluoroethanoic acid
[机] 氟乙酸
🧩 词语组成解析
🗣️ 情景例句
It's us, Susan.
是我们， Susan。
Every bullet has its billet.
无风不起浪。
Yes, your last shipment wasn't up to par.
嗯，你上次送去的货没有达到标准。