Acetylic
a. 乙酰基群的
🗣️ 情景例句
In every marriage,
婚姻中，
This window is just as high as thsat one.
这扇窗户刚好和那扇一样高。
It could only get over the mountains if it rose to 10,000 feet.
只有在飞至10，000英尺的高度时，它才能飞过这些山头。