Snlfonation
[医] 磺化[作用]
🗣️ 情景例句
I don't care. I'm not fussed either way.
我不介意。我亦没有自寻烦恼。
How much is this carpet per square yard?
地毯每平方码要多少钱？
Many people have been out of work recently.
最近有许多人失业。