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
Anytime. It's really easy, but, like anything,
没问题。实在很容易 但是 和其它东西一样
The sea refuses no river.
大海有能容之量。
When did they leave this area?
他们什么时候离开这里？