echoicadj.拟声的；回声的echovi.发出回声；回响vt.重复；模仿；附和n.回声；重复；共鸣Echo.n.[希神]山林女神（失恋于那喀索斯；其哀声留于山间成为回声）echoophthalmograph回声眼球运动照相机echoing keystrokes回显击键消息echoing characters回显字符echolungs quotient模拟肺商数echo caracteristic回波特性echo depth sounder回声测深仪,回音测深仪echo sounding gear回声仪Echolocation calls回声定位叫声echoencephaloscope脑回波镜echoencephalograph[医]脑回波描记仪