Perthiocarbonate
过硫碳酸盐
🗣️ 情景例句
Yup. I graduated in 1937.
是的，我是一九三七年毕业的。
What's the rush?
什么事那么匆忙？
As they grow old, people also accumulate belongings for two other reasons,
随着年纪的增加，人们也因为两个原因而继续积累：