Ketones
n. 酮类（ketone的复数）
🗣️ 情景例句
I've got to go. Tomorrow is Monday,
我得走了。明天是星期一。
The house needs painting.It's in bad condition.
房子需要上油漆。房子的情况很糟糕。
While the battered car was moving away, Roy stopped his bus and telephoned the police.
当那辆被撞坏的车开走后，罗伊停下车，给警察挂了电话。