Qacs
(qac 的复数) abbr. quaternary ammonium compound 季铵化合物（杀菌剂）
🗣️ 情景例句
Can't you finish it tomorrow?
你明天完成它不行吗
I couldn't get through.
我打不通。
Last year in another play, she had to wear short socks and a bright, orange-coloured dress.
去年在演另一个剧时，她不得不穿短袜和一件鲜艳的橘红色的衣服。