Hexadecynedioic acid
[化] 十六碳炔二酸
🧩 词语组成解析
🗣️ 情景例句
Weren't they going to be here this morning?
他们不是今天早上要来这儿吗？
Messengers should neither be headed nor hanged.
两国相争，不斩来使。
The children wake up very early, and can't wait to open the presents in their stockings.
孩子们醒得很早，迫不及待地打开袜子里的礼物。