The meaning of ECHO is the repetition of a sound caused by reflection of sound waves. How to use echo in a sentence.

It was quite spooky when a second later the echo could be heard repeating down the valley. echo noun [C] ( SIMILAR DETAIL ) a detail that is similar to and makes you remember something else

ECHO definition: 1. a sound that is heard after it has been reflected off a surface such as a wall or a cliff: 2. a…. Learn more.

There was an echo on the line and I couldn't hear clearly. 电话里有回音，我听不清楚。 The hills sent back a faint echo. 座座山丘传来微弱的回声。 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。 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。

An echo is a sound which is caused by a noise being reflected off a surface such as a wall. If a sound echoes, it is reflected off a surface and can be heard again after the original sound has stopped. His feet echoed on the bare board floor. [VERB] The bang came suddenly, echoing across the buildings, shattering glass. [VERB preposition/adverb]

An echo is a repetition or imitation of sound. When sound waves hit a hard surface they might reflect, making the sound bounce and repeat. If you agree with someone, you might echo his or her statement.

ECHO meaning: 1 : a sound that is a copy of another sound and that is produced when sound waves bounce off a surface (such as a wall); 2 : something (such as a feature or quality) that repeats or resembles something else

What Is an Echo? An echo is a reflected sound wave that reaches our ears after bouncing off a distant surface. It’s essentially a delayed repetition of a sound, and it occurs when sound waves encounter a reflective surface and are then redirected back towards the listener.

To repeat (a sound) by the reflection of sound waves from a surface. 2. To repeat or imitate: followers echoing the cries of their leader; events that echoed a previous incident in history. 1. To be repeated by or as if by an echo: The shout echoed off the wall. The speaker's words echoed in …

2025年3月18日 · Amazon is removing an Echo privacy setting that keeps Alexa recordings from the company An opt-in Alexa feature called 'Do Not Send Voice Records' stops requests from being sent to the company. It ...