echo

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

noun

1. 回响；回声；回音
   the reflecting of sound off a wall or inside a confined space so that a noise appears to be repeated; a sound that is reflected back in this way
   1. There was an echo on the line and I couldn't hear clearly.
      电话里有回音，我听不清楚。
   2. The hills sent back a faint echo.
      座座山丘传来微弱的回声。
   3. the echo of footsteps running down the corridor
      沿走廊跑的脚步回声
2. 映现；暗示；启示；反响
   the fact of an idea, event, etc. being like another and reminding you of it; sth that reminds you of sth else
   1. Yesterday's crash has grim echoes of previous disasters.
      昨天的撞车事故和以前的灾难令人痛心地相似。
3. 共鸣；附和；重复
   an opinion or attitude that agrees with or repeats one already expressed or thought
   1. 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。
   2. The speech found an echo in the hearts of many of the audience (= they agreed with it) .
      这次演讲在许多听众的心中引起共鸣。

verb

1. 回响；回荡
   if a sound echoes , it is reflected off a wall, the side of a mountain, etc. so that you can hear it again
   1. Her footsteps echoed in the empty room.
      她的脚步声在空荡荡的屋子里回响着。
   2. The gunshot echoed through the forest.
      枪炮声在林中回荡。
2. 发出回声；产生回响；充满回声
   to send back and repeat a sound; to be full of a sound
   1. The whole house echoed.
      整个房子充满回声。
   2. The street echoed with the cries of children.
      街上回荡着孩子的哭声。
   3. The valley echoed back his voice.
      山谷里回荡着他的声音。
3. 重复，附和（想法或看法）
   to repeat an idea or opinion because you agree with it
   1. This is a view echoed by many on the right of the party.
      这是党内许多右翼分子都重复过的观点。
4. （尤因感到意外而）重复…话，模仿
   to repeat what sb else has just said, especially because you find it surprising
   1. ‘He's gone!’ Viv echoed.
      “他去了！”维夫重复道。

过去式:echoed 名词复数形式:echoes 过去分词:echoed 现在分词:echoing 第三人称单数:echoes

echo 回声

来自PIE*wagh, 回声，回响，词源同catechism, 教义问答。

1. He heard nothing but the echoes of his own voice.
   他只听见了自己的回音。
2. His feet echoed on the bare board floor
   他的脚步声在没铺地毯的木地板上发出回响。
3. The bang came suddenly, echoing across the buildings, shattering glass.
   突如其来的一声巨响在建筑物间回荡着，震碎了玻璃。
4. The room echoed
   屋子里回荡着声音。
5. The corridor echoed with the barking of a dozen dogs.
   十来只狗的叫声在走廊里回响。
6. Many phrases in the last two chapters echo earlier passages
   最后两章中的很多说法是对前面段落的呼应。
7. Their views often echo each other
   他们常常你唱我和。
8. 'That was a truly delicious piece of pork,' he said. 'Yes, wasn't it?' echoed Penelope.
   “那块猪肉真好吃，”他说。“没错，可不是么？”佩内洛普附和道。
9. I hear an echo of the thinking that got us into this mess in the first place
   我听到有人重提那个最先使我们陷入这一困境的想法。
10. Political attacks work only if they find an echo with voters.
    政治攻击只有在选民中引起共鸣才会有作用。
11. The accident has echoes of past disasters.
    那起事故仿佛是过去灾难的重现。
12. Pinks and beiges were chosen to echo the colours of the ceiling.
    选用了粉红色和米色，以跟从天花板的颜色。
13. The old fable continues to echo down the centuries.
    这则古老的寓言流传了数个世纪。
14. The valleys echo the sounds of the mountains.
    山鸣谷应。
15. He is an echo of his master.
    他是主人的应声虫。
16. We shouted in the valley, and in an instant the echo came from the hillside with great distinctness.
    我们在山谷中高呼，回声霎时间就从山腰上清晰地返回。
17. The echo rebounded from the round wall.
    回声从圆形的墙壁上传回。
18. She shouted "hello" and listened for the echo.
    她大喊“喂”，然后倾听回音。
19. Why do you always have to echo back my opinions like this?
    你为什么总是这样非附和我的意见不可呢？
20. The estimation of time delay and scale of wideband echo is addressed.
    研究了水下宽频带信号时延和尺度的估计问题。
21. Acoustic processing and echo control Sound pickup and playback is an important area of multimedia processing.
    声学处理和回声控制拾音和重放是多媒体处理的一个重要领域。
22. Echo: ah, so you peep?
    哦，所以你偷窥了？
23. This method is greatly increased in the high-intensity direct wave interference under active sonar echo extraction accuracy.
    该方法极大地提高了在高强度直达波干扰下主动声呐提取目标回波的精度。
24. YES, it was the mountain Echo.
    对了，这是山的回音。
25. A method of generating radar multi-target phase-coherence echo based on DDS is discussed.
    介绍了一种基于DDS的雷达多目标相参回波信号生成方法。
26. A method about acquisition and processing of ultrasonic echo signal in liquid level measurement is introduced.
    介绍了一种在液位测量中超声回波信号的采集与处理方法。
27. Finally, the simulation result of clutter echo is given, which proved that the method is feasible.
    最后给出了杂波回波信号的仿真结果，结果证明了该方法的可行性。
28. The echo signal of TWS detector which is based on continuous wave is investigated.
    该文主要研究基于连续波体制的TWS探测器回波信号。
29. I hear the echo in that temple.
    我在那座庙中听到回声。
30. And then it introduces synthetic aperture radar system model, the original echo of the simulation methods and R-D imaging algorithm.
    然后建立了合成孔径雷达的系统模型，介绍了原始回波的模拟方法和R-D成像算法。