单词	back up copy
释义	back up copy 副本
随便看	short-wavelength radiation short-wavelength roughness short wave oscillator short wave-pass filter short wave pass filter shortwave propagation short-waver shortwave radiation short wave radiation short-wave radiation short wave radio shortwave radio short wave radio communication vehicle short-wave radio station shortwave radio telegraphy short wave radio telephone terminal short-wave radio transmitter short wave radio transmitter short-wave receiver short wave receiver short-wave receiving antenna short-wave receiving station short-wave reception short wave relay short-waves 岳岵岶岷岸岹岿峃峄峆配色配药配菜配角配角儿配角戏配货配购配购证配购证件