名词中文翻译
中文翻译：中速齿轮
同义词：
['medium speed gear', "medium-speed gear例句：1. The car's engine is running at a medium gear.（汽车的引擎正在以中速运转。）"]
例句：
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1. The car's engine is running at a medium gear.
汽车的引擎正在以中速运转。
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2.He shifted into the middle gear to accelerate.
他换到中间档位来加速。
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3.The train was moving at a medium speed.
火车以中等速度行驶。