Arquad
卤化烷基三甲基铵(阳离子表面活性剂), 季铵盐萃取剂
🗣️ 情景例句
So, why don't you call him in the morning?
那么你为何不明天早上打个电话给他？
A light purse makes a heavy heart.
曩中无钱心事重。
I haven't decided.
还没有决定。