名词中文翻译
中文翻译：高比齿轮
同义词：
['high-speed gear', 'high-torque gear例句：1. The new car has a high-ratio gear system that makes it more efficient.（这款新车采用了高比齿轮系统，使其更加高效。）']
例句：
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1. The new car has a high-ratio gear system that makes it more efficient.
这款新车采用了高比齿轮系统，使其更加高效。
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2. The old machine had a low-ratio gear that was difficult to shift.
旧机器的低比齿轮很难换挡。
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3.The engineers designed a high-ratio gear for the new machine to improve its performance.
工程师为新机器设计了高比齿轮，以提升其性能。