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英语单词
echo
C1英 /ˈekəʊ/美 /ˈekəʊ/
noun
发出回声
the reflecting of sound off a wall or inside a particular space so that a noise appears to be repeated; a sound that is reflected back in this way
verb
发出回声
if a sound echoes, it is reflected off a wall, the side of a mountain, etc. so that you can hear it again
在真实视频里记住 echo
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