Qac
abbr. quaternary ammonium compound 季铵化合物（杀菌剂）
🗣️ 情景例句
How does that look, Rob?
看起来怎么样，Rob？
He deserves not the sweet that will not taste the sour.
吃过苦头，才配享受。
In response to renewed pleadings, Bruce stopped.
我们再次央求布鲁斯小心，他这才把车停了下来。