Qacs
(qac 的复数) abbr. quaternary ammonium compound 季铵化合物（杀菌剂）
🗣️ 情景例句
The same baseball glove?
同样一个棒球手套吗？
Every man is best know to himself.
自己最了解自己。
either from gas or water, is pushing it.
这种巨大的压力来自地下天然气或水。