相關(guān)單詞近義詞 echo sounding 廻聲探測(cè), 廻聲測(cè)深, 廻波...臨近詞echo, echoless相似詞echo sounder, echocardiogram, echocardiograph, echocardiography, éclair, éclat, eclectic, eclipse, 返回 echolocation