Propargylic acid
[化] 丙炔酸
🧩 词语组成解析
🗣️ 情景例句
My favorite type of exercise is ...
我最喜欢的锻炼方式是……。
A barley-corn is better than a diamond to a cock.
对一只公鸡来说，一颗麦粒优于一颗钻石。
the graphic record shows three waves arriving one after the other at short intervals.
曲线纪录就能显示出前后相间的这3种地震波。