动词短语
中文翻译：换挡
同义词：
['shift', 'change gears']
例句：
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1. The car needs to be shiftedinto fourth gear for the hill climb.
这辆车需要换到第四挡，以便爬坡。
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2. The driver had to change gearsquickly to avoid a collision.
司机不得不迅速换挡以避免碰撞。
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3. The old car has manygears that need to be changed regularly.
这辆旧车有很多需要定期更换的齿轮。