Octynoic acid
[化] 辛炔酸
🧩 词语组成解析
🗣️ 情景例句
I can speak English as far as foreign languages are concerned.
就外语来说，我只会讲英语。
Oh, I'm just going to take it easy.
哦，我只想休息休息。
The big clock which used to strike the hours day and night was damaged many years ago and has been silent ever since.
教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。