Morpholone
吗啉酮
🗣️ 情景例句
The other day he finally popped the question.
第二天他终于开口求婚了。
To wait patiently for the protesters to move
耐心地等待示威队伍离去
It now came straight towards them at tremendous speed.
它现在正以惊人的速度直冲他们驶来。