Tetrolic acid
[化] 2-丁炔酸
🧩 词语组成解析
🗣️ 情景例句
Goodbye, thank you very much for coming.
再见，感谢您能光临。
I've got to get this shirt washed and ironed.
我得把这件衬衫洗熨一下。
I'm sorry.I've got none.
对不起，我没有。