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
And I love you.
我也爱你们。
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
Pretending to speak seriously, one of the workmen asked if he might make a telephone call before being taken to the station.
其中一个工人装模作样地问道，在被带往警察局之前，是否可以打一个电话。