Vfm
n. （网络用语）Value For Money （钱的价值）
🗣️ 情景例句
Don't stand on ceremony, make yourself at home.
别客气，随便吃。
La, la, I wash them, and then I dry them.
啦啦，洗濯之后就把它们晒干。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；