单词	pit sand
释义	pit sand 坑砂
随便看	radio wave maser radio wave method radiowave penetration instrument radio wave penetration method radio wave penetration system radio-wave propagation radio wave propagation radio-wave propagation prediction radio wave propagatology radio-wave radiation radio-wave reception radio wave reflection radio wave reflection method radiowave reflection method radio wave refraction radio wave refraction correction radio wave refration Radio waves. radio-waves radiowaves radio waves radio-wave sounding radio-wave spectrum radio wave spectrum radio-wave transmission 定于一尊定倾扶危定国安邦宛宛1 宛3 宛转悠扬宛转蛾眉宜宜1 九章算术九经九色九节狸九节辰九花九花儿九莲灯九角戏九谷