Perphosphate
过磷酸盐
🗣️ 情景例句
I would like a manicure, please.
我想修理一下我的指甲。
Just a minute and I'll see if there are any flights.
等一下，我来看看有没有班机。
Do you often have sports at school?
你在学校经常参加体育活动吗？