ball-bearing

基本解释

In 1923, after narrowly avoiding bankruptcy, Alfred Sloan, a ball-bearing magnate, took over the running of GM.
1923年，勉强避开破产之后，一个滚珠轴承巨擘阿尔弗雷德•斯隆接管了通用。
Before long his ball-bearing business became part of General Motors, and in 1923 (in the midst of a dire slump in the car industry) Sloan became president of GM.
不久，他的滚珠轴承业务成了通用汽车公司的一部分，1923年（汽车工业处于严重的衰退），斯隆成了通用的总裁。
We owe your name and address to Italian Commercial Bank who has informed us that you are in the market for ball-bearing.
承蒙意大利商业银行告知贵公司名称和地址，并告知贵方欲购进滚珠轴承。

These are relatively small pieces of the earth's crust that, when caught between two larger plates, spin around as the larger plates move—like a ball-bearing caught between two surfaces.
ECONOMIST: Geophysics

Ball bearings are small metal balls placed between the moving parts of a machine to make the parts move smoothly.