名词
中文翻译：齿轮中心
同义词：
['gear shaft', "gear axis例句：1. The engine's gear hub is the most critical part of the transmission system.（发动机的齿轮轴是传动系统最关键的部分。）2. The gear hub was damaged during the accident", 'causing a delay in the repair process.（事故中齿轮轴受损，导致修理过程延误。）']
例句：
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1. The engine's gear hub is the most critical part of the transmission system.
发动机的齿轮轴是传动系统最关键的部分。
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2. The gear hub was damaged during the accident, causing a delay in the repair process.
事故中齿轮轴受损，导致修理过程延误。
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3. The gear hub is responsible for transmitting power from the engine to the wheels.
齿轮轴负责将发动机的动力传递到车轮上。