wheel bearing:车轮轴承(也叫“轮毂轴承”)。安装在轮毂与车轴之间,用来支撑车轮并让车轮低摩擦、平稳地旋转;磨损或损坏时常会出现嗡鸣声、松旷、发热或跑偏等问题。(也可泛指各种车辆的“轮子轴承”。)
/wiːl ˈbɛərɪŋ/
My mechanic said the wheel bearing is worn out.
我的修车师傅说轮毂轴承磨损了。
After months of driving on rough roads, the front wheel bearing began to hum, and the steering felt less stable at high speeds.
在崎岖路面上开了几个月后,前轮轴承开始发出嗡鸣,高速时方向也感觉不太稳。
wheel 来自古英语 hwēol,意为“轮子”;bearing 来自动词 bear(承载、支撑),在机械语境里引申为“承受载荷并允许相对运动的支承部件”,因此 wheel bearing 直译就是“用于车轮的承载支承件”。