单词	echo wave
释义	echo wave 回波;回声波
随便看	vitalss vital stain vital staining vital staining intravital staining vital statistic vital statistics vital-statistics vital statisticss vital statisticstechnique vital statistics technique vitalstatistix vital target vital teeth vital temperature vital theory vital to vital tooth vital tuberculin vital tyberculin vital ultraviolet vital virus vital wheat gluten vital wound vitaly vitalyge 入死出生入海算沙入火赴汤入理切情入竟问禁入邦问俗入部入铁主簿入门问讳入阁登坛ほんかわ【本革】ほんかんほんかんほんかん【本官】ほんかん【本館】ほんか取りほんがんほんがん【本願】ほんきほんき【本気】