back brake

基本解释

The big black back brake broke badly.
后面的那个黑色大制动器毁坏严重。
A bloke’s back bike brake block broke.
一个家伙的脚踏车后制动器坏了。
The succeed of rolling of eccentric shaft in front and back brake will expand the application of wedge rolling.
分析了前、后制动蹄偏心轴轧制的工艺设计，推导了偏心部分的孔型曲线方程，对零件轧制的工艺调试也作了简要分析。

Most of the losses are coming at leveraged financial firms, like banks, which will in turn pull back lending, applying another brake on economic growth.
FORBES: The $400 Billion Black Hole
So I drove about five miles per hour the rest of the way back to Kep, using only my front brake—and sparingly at that.
NEWYORKER: Swimming