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单词库 \ 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；

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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