Propioloyl
[化] 丙炔酰
🗣️ 情景例句
Go ahead, Joanne.
请讲吧 Joanne。
Slow help is no help.
帮忙不及时，等于不帮忙。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
实际情况是，他们已连续钻了16个小时了，但离钻透还早着呢。