Ampho-surfactant
[化] 两性表面活性剂
🧩 词语组成解析
[化] 表面活性剂\\n[医] 表面活性剂, 表面活化剂
🗣️ 情景例句
We're supposed to be there
我们应当先到那儿
See, listen, and be silent, and you will live in peace.
多看多听少多嘴，你会太平过日子。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。