noun 下载 🔗分享 短波 An electromagnetic wave having a wavelength between approximately 10 and 100 meters, corresponding to frequencies between 3 and 30 MHz. Examples : "Shortwaves are longer than microwaves." 短波比微波的波长更长。 technology physics electronics communication frequency signal media 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 短波, 高频波 (usually in plural) Any frequency in this range, especially when used in broadcasting. Examples : "Many stations broadcast on shortwaves." 许多电台都用短波进行广播。 technology electronics communication frequency signal media sound 与AI对话词汇游戏阅读练习