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
I am on speaking terms with him.
我和他只是泛泛之交。
Now after all these years I have fallen head over heels in love.
这么多年后的今天我却为爱而神魂颠倒。
Does this whole order go to the same place?
这一整批的货都是送往相同的地方吗？