滚轮的英文：
idler wheel; trolley
Pinch roll
导正滚轮
One of the most useful innovations in pointing devices is the scroll wheel.
点操作设备上最有用的发明之一是滚轮，滚轮有多种，外形略有差异。
In a duplicator,paired rollers that transport paper from the paper feed mechanism to the cylinders.
在复印机中，将纸从供纸机构输送到圆筒去的一种成对滚轮。
Sakers and aspirators separate the hull from the cracked cotyledons and rollers flake them
皮壳与破碎的豆瓣，通过振动筛和吸壳器彼此分离，豆瓣由滚轮压成?绕
n.
1.懒汉；无所事事的人
"A young idler, an old beggar"
少壮不努力,老大徒伤悲
Blend Rational Bézier Fit in Reversing Production of Idler Pulley
导轮逆向生产中的混合有理bézier曲面拟合
I lounged up the side aisle like any other idler who has dropped into a church
我就象偶尔进入教堂里边的其它游手好闲者一样，信步顺着两旁的通道往前走。
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。
n. 电车；手推车
He wheeled the food in on a trolley.
他把食物放在台车上推了进来。
To convey(passengers) or travel by trolley.
载运用有轨电车运送（乘客）；乘电车
Where is the stop for the northbound 108 trolleys - bus?
向北去的108无轨电车站在哪里?