基础释义
例句
柯林斯词典释义
行业词典释义

福克斯词典 \ 英汉词典 \

pulleys是什么意思？

pulleys

n. 滑轮（组），滑车( pulley的名词复数 )，皮带轮；

例句

Block and tackle: Combination of pulleys with rope or cable, commonly used to augment pulling force. 滑轮和滑车组: 带绳索和缆绳的滑轮组, 通常用于增大拉力.
Among them were rickshaw pulleys, peddlers, policemen and servants. 这些人有的拉车,有的做小买卖, 有的当巡警,有的当仆人.
a system of ropes and pulleys 绳索滑轮系统
Levers and pulleys are simple machines. 杠杆和滑轮是简单机械.

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柯林斯高阶英汉双解学习词典释义

N-COUNT

滑轮；皮带轮

A pulley is a device consisting of a wheel over which a rope or chain is pulled in order to lift heavy objects.
例句
The weights are moved via a cable and pulley system. 重物通过缆绳和滑轮系统运送。

行业词典

体育：重锤拉力器；

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