block and tackle
短语滑车组；滑轮组
发音
其它
词形变化
block and tackles
复数
block and tackles
blocks and tackles
blocks and tackles
复数
释义与例句
n.
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1.
A system in which a rope, cable, or chain (the tackle) is passed over pulleys enclosed in two (or rarely more) blocks, one fixed and one attached to a load, which is used to gain mechanical advantage to lift or pull heavy loads.
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2.
The underwear combination of stockings worn with a suspender belt.
委婉