friction brake

• 摩擦

friction brake的用法和样例：

例句

1. Constant friction wore out the heels of my shoes.
   不断的摩擦磨损了我的鞋跟。
2. "A-bomb, H-bomb and nuclear-powered submarine"
   两弹一艇
3. The little mistake will bring the friction between them.
   小小的误会引起了他们之间的不和。