Perthiocarbonate
过硫碳酸盐
🗣️ 情景例句
I'm worried, Philip.
我很担心， Philip。
A full cup must be carried steadily.
杯满盈，须持稳。
There is no sky in June so blue that it does not point forward to a bluer,
六月蔚蓝的天空总使人遥想一个更加蔚蓝的苍穹；