名词
中文翻译：调音器
同义词：
['tuner', 'tuner', 'tuning device']
例句：
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1. The car needs a tune-up before the next trip.
这辆车在下次旅行前需要做一次保养。
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2. The engineer tuned the radio to the correct frequency.
工程师调整了收音机的频率。
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3. The new tuner is much more user-friendly than the old one.
这款新的调音器比旧的更加用户友好。