pu
lley
复数形式
pulleys
1
滑轮, 滑车
a wheel with a track where a rope or chain runs, used to lift heavy objects easily
- The workers used a pulley to hoist the heavy beam into place.
工人们使用了一个滑轮将沉重的横梁吊装到位。
- He rigged up a simple pulley to raise the flag on the pole.
他安装了一个简单的滑轮来把旗子升到杆子上。
- The pulley system made lifting the load much less strenuous.
滑轮系统使提升负载变得轻松多了。
- She demonstrated how the pulley could reduce the effort needed to move the weight.
她演示了滑轮如何可以减少移动重量所需的努力。
- They installed a pulley in the garage to lift the engine out of the car.
他们在车库里安装了一个滑轮，以便将发动机从汽车中吊起。