名词
中文翻译：中音
同义词：
['midrange', 'high-pitched', 'high-frequency']
例句：
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1. The violins are in themiddle range of the orchestra.
小提琴位于管弦乐队的中音区。
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2. The singer's voice is high-pitchedand clear.
歌手的声音高亢而清晰。
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3.The radio station broadcasts high-frequencysignals.
该广播电台广播高频信号。