Methanedicarbonic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
I hope he's good when we're away.
我希望我们不在的时候他很乖。
Whom will you vote for?
你将投票给谁？
No, I don't think we have been.
不，我想没有。