动词短语
中文翻译：乐队磨刀同义词
同义词：
['band sharpening', 'band tuning']
例句：
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1. The band members were busy practicing for the upcoming concert.
乐队成员们忙于为即将到来的音乐会练习。
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2. The band needs to be sharpened before the performance.
在演出前，乐队需要磨刀。
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3. The band is tuning up their instruments for the big show.
乐队正在为大型演出调整他们的乐器。