名词
中文翻译：轴承
同义词：
['ball bearing', 'ball joint例句：1. The new car has a ball-bearing wheel hub.（这款新车有一个球轴承轮毂。）2. The engineer used a ball-bearing to replace the old gearbox.（工程师用一个球轴承来替换旧的变速箱。）3. The ball-bearing is designed to reduce friction and improve efficiency.（这个球轴承的设计是为了减少摩擦并提高效率。）']
例句：
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1. The new car has a ball-bearing wheel hub.
这款新车有一个球轴承轮毂。
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2. The engineer used a ball-bearing to replace the old gearbox.
工程师用一个球轴承来替换旧的变速箱。
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3. The ball-bearing is designed to reduce friction and improve efficiency.
这个球轴承的设计是为了减少摩擦并提高效率。