单词	echo wave
释义	echo wave 回波;回声波
随便看	earth capacitance earth capacity earth center earth-center coordinate system earth-centered earth-centered coordinate system earth-centered ellipsoid earth centered ellipsoid earth-center inertia coordinate system earth-center inertial coordinate system earth central angle earth chestnut earth-circling earth circling satellite earth circuit earth circuit connector earth clamp earth clamping machine earth clip earth-closet earth closet earth-closets earth closets earth coal earth cofferdam 螜螝螞螟螟4 螠螡螢螣螤あいこ【愛顧】あいこ【相子】あいこうあいこうあいこう【愛好】あいこう【愛校】あいこくあいこく【愛国】あいことばあいことば【合い言葉】