Acetylfluoride
乙酰氟
🗣️ 情景例句
They don't have room service at Old Country Inn. Old Country Inn
没有房间服务部。
It's nice to see you again. Have you changed jobs?
又见到你很高兴。你换了工作了吗？
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；