n. 回声,共鸣;(言语、作风、思想等的)重复;重复者;[无线电]回波
vt. 重复,效仿;随声附和;类似;发射(声音等)
vi. 被重复;产生回响;充满回声
The hills sent back a faint echo.
座座山丘传来微弱的回声。
There was an echo on the line and I couldn´t hear clearly.
电话里有回音,我听不清楚。
His words were an echo of what she had heard many times before.
他的话是她多次听到过的话的重复。
In our case, we have found the true acoustic echo beacon.
在我们的例子中,我们找到了真正的声学回声信标。
The girl let out a giggle that seemed to echo, and she ran away.
那女孩发出一声似乎是回声的咯咯笑声,然后跑开了。