名词
中文翻译：三速齿轮
同义词：
['multispeed gear', 'multiple gears例句：1. The car has a three-speed gear system that allows you to easily switch between low and high speeds.（这辆车有一个三速齿轮系统，可以让你轻松地在低速和高速之间切换。）2. The old car had a three-speed gear that was difficult to use in the city traffic.（那辆旧车有一个三速齿轮，在城市交通中很难使用。）3. The new sports car comes with an advanced three-speed gear that provides smooth acceleration and control.（这款新款运动车配备了先进的三速齿轮，提供平稳的加速和控制。）']
例句：
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1. The car has a three-speed gear system that allows you to easily switch between low and high speeds.
这辆车有一个三速齿轮系统，可以让你轻松地在低速和高速之间切换。
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2. The old car had a three-speed gear that was difficult to use in the city traffic.
那辆旧车有一个三速齿轮，在城市交通中很难使用。
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3. The new sports car comes with an advanced three-speed gear that provides smooth acceleration and control.
这款新款运动车配备了先进的三速齿轮，提供平稳的加速和控制。