单词	bull stick
释义	bull stick noun : a lever used in lieu of a bull wheel to swing a derrick into position to pick up its load Word History Etymology bull (wheel)
随便看	cairngorms cairns Cairns Cairo cairoes cairos caisson caisson crib caisson disease caissons Caithness caithness-shire caitiff caitiffer caitiffest caitiffs caixinha caiñgin caiñginero Cajamarca cajan cajang cajani cajans Cajanus

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