Malonamic acid
[化] 丙酰胺酸
🧩 词语组成解析
🗣️ 情景例句
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
You cannot have two forenoons in the same day.
一日之中不可能有两个上午。
The letter x stands for an unknown number.
字母x代表未知数。