Medium wave
01
中波, 中频波
a radio wave that has a frequency between 300 kHz and 3 MHz and a wavelength between 100 to 1000 meters, which is used for broadcasting
例子
The medium wave signal from the local radio station can be heard clearly across the city.
当地广播电台的中波信号可以在整个城市清晰地听到。
At night, the medium wave broadcasts from faraway countries become stronger and easier to pick up.
夜晚，来自遥远国家的中波广播变得更强，更容易接收。
