滑轮的英文：
chain wheel
glidewheel
pulley
slidewheel
truckle
参考例句：
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A pulley or a system of pulleys set in a casing.
滑轮，滑轮组安装在机械外壳中的滑轮或滑轮组
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The pulley of the clothes line jumped the track and Mother's washing fell down.
晾衣服绳子的滑轮脱绳了，妈妈洗的衣服掉了下来。
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The engineers worked out the Math and designed a system of nylon ropes and pulleys.
工程师们从数学上进行了论证，并设计出一个由尼龙绳子和滑轮构成的工作系统。
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Levers and pulleys are simple machines.
杠杆和滑轮是简单机械。
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Pass the rope over the pulley.
把绳子穿过滑轮。
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The pulley is considered one of the five simple machines.
滑轮被认为是五种简单机械之一。
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seize together, as of parallel ropes of a tackle in order to prevent running through the block.
把滑车的平行绳子牢牢抓住，以免滑车通过滑轮转动。
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The lifting device is a system of ropes and pulleys.
这种起重装置是由缆索和滑轮组成的.
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In high school we learned a lot of laws about pulleys and levers used in different ways
在高中我们已学过许多有关不同用途的滑轮和杠杆的定律。
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When we were kids, he once rigged up a jungle gym out of wheels and pulleys.
当我们还是孩子的时候，有一次他用几个轮子和滑轮装配了一个攀登架。
chain是什么意思：
n. 链，束缚，连锁
v. 用锁链拴住，束缚，囚禁
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a chain of supermarkets/a supermarket chain
超级市场联号.
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a chain of mountains/a mountain chain
连绵的山[山脉]
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Chains of gold are stronger than chains of iron
金链锁人比铁炼更牢靠
wheel是什么意思：
n. 轮，转向盘，推动力，控制力，机构，旋转，掌权者
v. 改变主意，使转弯，盘旋，引来
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There axe wheels within wheels.
齿轮中有齿轮(幕后另有操纵者)。
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Fly on the wheel
狂妄自大的人
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The wheels screwed.
轮子旋转着。
glidewheel是什么意思：
滑轮
