Rfwf
abbr. radio frequency waveform 射频波形
🗣️ 情景例句
Great medical school, too.
而且有很好的医学院。
I haven't heard from him for a long time.
我很久没有收到他的信了。
First of all, don't come in here without a teacher.
首先，没有老师领着不要进这儿。