ball bearing
US /ˈbɔːl ˌberɪŋ/
UK /bɔːl ˈbeər.ɪŋ/
名词
滚珠轴承
a type of rolling-element bearing that uses balls to maintain the separation between the bearing races
示例:
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The smooth operation of the machine is due to its high-quality ball bearings.
机器的平稳运行归功于其高质量的滚珠轴承。
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You can find ball bearings in many rotating parts, like wheels and motors.
你可以在许多旋转部件中找到滚珠轴承，例如车轮和电机。