Qac
abbr. quaternary ammonium compound 季铵化合物（杀菌剂）
🗣️ 情景例句
The leader takes the first ten cards
指挥拿出上面的十张牌，
We can quote you a gross price, inclusive of delivery charges, of 38.50 pounds per 100 items. These goods are exempt form VAT.
我们可以给你方报毛价，每一百件38。5英镑含运费。这些货物免收增值税。
I hope we meet again.
我希望我们能够再见面。