Short wave
01
短波, 高周波
a radio wave that has a frequency between 3 and 30 MHz, and a wavelength between 10 to 100 meters, used for broadcasting
例
During my travels, I found that short wave radio is useful when there is no internet connection.
旅行中、インターネット接続がない場合に短波ラジオが役立つことがわかりました。



























