Ms wu now uses pulleys to lift food and water into her house .

现在，吴苹用滑轮将食物和水吊进房子里面。

Last of all to disappear were the sounds of building ; the echo of brick on brick and the continual whine of pulleys .

最后消失的是建造的声音；砖头碰砖头的回声和连续不断的滑车的嘎嘎声。

Kids learn about the properties of ramps , levers , wheels and pulleys .

孩子们学习滑坡，杠杠，轮子，滑轮的特点和性能。

The wright brothers did this using a system called wing warping , which relied on pulleys and cables to twist the wings into a different shape .

莱特兄弟通过一个叫做“机翼扭曲”的装置来完成这一切，该装置通过滑轮和线缆将机翼弯曲成不同的形状。

He invented several exercise machines including the ones with pulleys and weight selectors in health clubs throughout the world .

他还发明了一些在全世界健身俱乐部使用的带滑轮和体重选择器的健身器械。