Perthiocarbonate
过硫碳酸盐
🗣️ 情景例句
Would you mind telling me what the climate is like in California?
您能告诉我加利福尼亚的气候怎么样？
We're having a little get-together Friday night.
周五晚上我们有个小派对。
Is there a cat in the tree?
树上有猫吗？