echo的中文意思、音标与词形变化

n. 回声, 回音, 回波 vi. 发回声, 随声附和 vt. 摹仿, 重复, 反射 [计] 回显; DOS批处理命令:控制MS-DOS命令是否在屏幕上显示

n. the repetition of a sound resulting from reflection of the sound waves n. (Greek mythology) a nymph who was spurned by Narcissus and pined away until only her voice remained n. a reply that repeats what has just been said n. a reflected television or radio or radar beam