Hexadecynoic acid
[化] 十六碳炔酸
🧩 词语组成解析
🗣️ 情景例句
I have two days off a week.
我一星期休息两天。
What month is this?
现在是几月？
This is not easy, and may require two porpoises working together.
这并非易事，可能需要两只海豚合伙干才行。