Perthiocarbonic acid
[化] 过硫碳酸
🧩 词语组成解析
🗣️ 情景例句
If you had to describe the book in one sentence,
假如要你用一句话来描述这本书，
Experience keeps no school, she teaches her pupils singly.
亲身经验，才是经验。
Is the production line fully automatic?
生产线是全自动的吗？