Hexynedioic acid
[化] 己炔二酸
🧩 词语组成解析
🗣️ 情景例句
Keep smiling! things will calm down.
乐观一点，事情会平息下来的。
Henry got a toothache and asked to be excused.
亨利牙疼，请求离开一下。
It's not my fault.
不是我的错。