Quaternaries
[化] 季盐; 季铵盐类
🗣️ 情景例句
I think I am rather outgoing. I enjoy working with others. But sometimes I'll be alone.
我想我较外向。喜欢和人合作，有时也想独处。
I don't know what his native language is.
我不知道他的母语是什么。
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。