spring-operated brake

例句：

1. 1. The new car has a spring-operated brake system that makes stopping the car easy.
   这款新车配备了弹簧操作的制动系统，让停车变得轻松。
2. 2. The old bicycle had a spring-operated brake that could be easily adjusted.
   旧自行车有一个弹簧操作的制动器，可以很容易地调整。
3. 3. In the winter, the snowmobile uses a spring-operated brake to stop quickly in heavy snow.
   在冬天，雪地摩托使用弹簧操作的制动器来迅速停止在厚厚的雪中。