单词	boom hoist
释义	boom hoist noun : a hoist having a spar projecting from the mast to support and guide the load : derrick Word History Etymology boom entry 2
随便看	profuse profusely profuseness profusenesses profuser profusest profusion profusions profusive profusively prog prog rock progametangium progamete progamic progamous Proganochelidae proganosaur Proganosauria progenerate progenies progenital progenitive progenitiveness progenitor

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