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)
echo waven.回波
echo beat回声心搏
echo zone回波区, 回声带, 回声区
echoscope听诊器
echo ware反射波
echosonden.回声器
echo sign回波符号
echopathy模仿病
echosoundadj.音响测深的(回声探测的)
echo path回波路径
"onomatopoeic words are imitative of noises""it was independently developed in more than one place as an onomatopoetic term"