Perthiocarbonic acid
[化] 过硫碳酸
🧩 词语组成解析
🗣️ 情景例句
Oh, it was nothing. I'm glad she liked it.
嗯，小意思。她喜欢就好。
How was your flight? Was it comfortable?
你坐的班机怎么样？还舒服吗？
Today he is making a machine.
今天他在造一个机器。