名词中文翻译
中文翻译：变速齿轮
同义词：
['shift gear', 'gear shift', 'gear change例句：1. The car has a speed-change gear that allows you to easily switch between low and high gears.（这辆车有一个变速齿轮，可以让你轻松地在低速和高速档之间切换。）']
例句：
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1. The car has a speed-change gear that allows you to easily switch between low and high gears.
这辆车有一个变速齿轮，可以让你轻松地在低速和高速档之间切换。
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2.When driving on the highway, it's important to use the speed-change gear to avoid sudden acceleration or deceleration.
在高速公路上驾驶时，使用变速齿轮以避免突然加速或减速是很重要的。
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3.The mechanic quickly changed the speed-change gear on the car, allowing him to drive smoothly.
机械师很快更换了汽车上的变速齿轮，使得他能够顺畅地驾驶。