动词短语
中文翻译：换挡
同义词：
['switch off', 'switch out', 'shift gears']
例句：
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1. The car needs to be changed off before we start driving.
在开始驾驶之前，这辆车需要换挡。
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2. She switched the radio to a different station while she was changing off her engine.
她在换挡时切换到了另一个电台。
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3. When you're changing off the engine, make sure to turn off all the lights and unplug the charger.
当你换挡时，确保关掉所有的灯和充电器。