Hexadecynedioic acid
[化] 十六碳炔二酸
🧩 词语组成解析
🗣️ 情景例句
Examinations are at hand.
考试在即。
I'm sorry. Has it been bothering you?
对不起，打扰你了？
I have two cats. One is white, the other is black.
我有两只猫，一只是白猫，另一只是黑猫。