动词短语
中文翻译：换档
同义词：
['change gear', 'shift gears']
例句：
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1.The car needs to switch gears when it reaches the highway.
汽车在到达高速公路时需要换档。
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2.She switched gears quickly and started driving again.
她迅速换档并重新开始驾驶。
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3. The driver had to switch gears to avoid hitting a pothole in the road.
司机不得不换档以避免撞到路上的一个坑洼。