回声定位 huíshēngdìngwèi echolocation Definitions Defs Origin Strokes Stroke Words Sentences Sents 回声定位 回聲定位 huíshēngdìngwèi echolocation Biological or technological use of sound waves and their echoes to determine the location of objects
回声定位 回聲定位 huíshēngdìngwèi echolocation Biological or technological use of sound waves and their echoes to determine the location of objects
