Methanedicarbonic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
would be happy with something simple, Robbie.
会欣然接受简单的东西，Robbie。
You cannot have two forenoons in the same day.
一日之中不可能有两个上午。
He no sooner recovers his equilibrium than the next porpoise comes along and hits him another crack.
海龟刚恢复平衡，第二只海豚又冲过来猛击一下。