Methanedicarbonic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
Please check to be sure you have your belongings.
请记得带您的行李。
Whom will you write to?
你将写信给谁？
The mother sat the child at a little table.
母亲安排孩子坐到小桌旁。