new
echo(ed) signal的英文翻譯是什么意思，詞典釋義與在線翻譯：
英英釋義
名詞 echo:
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the repetition of a sound resulting from reflection of the sound waves
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(Greek mythology) a nymph who was spurned by Narcissus and pined away until only her voice remained
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a reply that repeats what has just been said
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a reflected television or radio or radar beam
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a close parallel of a feeling, idea, style, etc.
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an imitation or repetition
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to say again or imitate
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ring or echo with sound
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call to mind
