单词	twofold purchase
释义	twofold purchase noun variants or twofold tackle : a tackle of two double blocks with the standing part of the rope fast to the block from which the hauling part comes the twofold purchase … is commonly used for hoisting boats Manual of Seamanship
随便看	erosional erosionally erosionist erosions erosive erosive stomatitis erosiveness erosivenesses erosivities erosivity erotemas erotemes erotes eroteses erotic erotica eroticae erotical erotically eroticas eroticisation eroticise eroticised eroticises eroticising

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