滑轮的英文：
chain wheel
glidewheel
pulley
slidewheel
truckle

参考例句：

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

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。

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。

Levers and pulleys are simple machines.
杠杆和滑轮是简单机械。

Pass the rope over the pulley.
把绳子穿过滑轮。

The pulley is considered one of the five simple machines.
滑轮被认为是五种简单机械之一。

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。

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.

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。

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

a chain of supermarkets/a supermarket chain
超级市场联号.

a chain of mountains/a mountain chain
连绵的山[山脉]

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

There axe wheels within wheels.
齿轮中有齿轮(幕后另有操纵者)。

Fly on the wheel
狂妄自大的人

The wheels screwed.
轮子旋转着。

glidewheel是什么意思：
滑轮