Superoxol
过氧化氢溶液(30％)
🗣️ 情景例句
Donald passed away a couple of years ago.
Donald几年前去世了。
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。
It obviously could not tell the difference between Indian music and jazz!
显然，它分辨不出印度音乐和爵士乐！