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
You are a walking dictionary.
你是活字典。
I'm taking my half of our belongings.
我要拿走我们一半的财产。
Last week I went to the theatre.
上星期我去看戏。