名词
中文翻译：衰减的信号
同义词：
['declining signal', 'weakening signal']
例句：
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1.The fading signal from the satellite was barely visible.
卫星发出的衰减信号几乎看不见。
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2.The weak fading signal made it difficult to receive the call.
微弱的衰减信号使得接听电话变得困难。
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3.The fading signal was so faint that we couldn't hear each other clearly.
衰减信号太弱了，我们听不清彼此。