? asked in 社會與文化語言 · 1 decade ago

誰可以幫我翻譯英文阿~高手幫幫忙

A pulley is a grooved wheel used with a rope or chain.

It works very much like a lever.

A single pulley fixed to a branch of a tree enables a child to raise a box into a tree-house.

By combining fixed and movable pulleys

heavy weights can be lifted straight up.

Cranes and lifts on building sites are examples of pulleys

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  • Anonymous
    1 decade ago
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    pulley=滑車 Crane 不等於 克欄

    所以A pulley is a grooved wheel used with a rope or chain. It works very much like a lever. A single pulley fixed to a branch of a tree enables a child to raise a box into a tree-house. By combining fixed and movable pulleys

    heavy weights can be lifted straight up. Cranes and lifts on building sites are examples of pulleys =

    "滑車像是一個靠繩子或鐵鍊運用的有凹槽的輪子. 它的運用方式跟槓桿原理差不多. 假如把滑車固定在樹幹上,它可以促使一個小孩把一個箱子拉到他的樹屋上. 如果把固定滑車跟可移動的滑車一起運用的話,即使在重的東西都可以把它直線地拉起來.在蓋房子時用的起重機也是運用滑車的一個很好的例子." ^ ^ (hope it is right)希望是對的

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  • Anonymous
    1 decade ago

    一輛滑車是用一根繩或者鏈子使用的一個開槽的車輪。 它非常象一根杠杆一樣工作。 一單個滑車安裝到上一一樹的分支使一個孩子能夠舉起進一樹房子的一箱。 透過結合修理和可移動的滑車重的重物可能被直接向上舉起。 克蘭和電梯在建築用地上是滑車的例子

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