Perthiocarbonate
过硫碳酸盐
🗣️ 情景例句
I've just been the victim of a robbery.
我被抢劫了。
We've gone over quite a lot. Shall we take a break?
我们已进行很久了，让我们休息一下好吗？
What's up, George? the called.
“什么事，乔治？”它叫着。