Dithionite
连二亚硫酸盐
🗣️ 情景例句
Ha! Ha! But not real Rolexes. They look the same.
哈！哈！但不是真的劳力士，看起来跟真的一样。
You'd better go and see a doctor about that.
关于那个毛病，你最好去看医生。
This one seems a little small for me.
这顶我戴好像小了一点。