单词	staircase
释义	staircasestaircase /ˈstɛrkeɪs/ ●●○ noun [countable] a set of stairs inside a building, including its supports and the side parts that you hold on to
随便看	balance of trade balance scale balance sheet Balanchine, George Balboa, Vasco de balcony bald bald eagle balderdash bald-faced balding baldly baldness Baldwin, James bale baleful balefully Bali balk Balkan Mountains, the Balkans, the balky ball ballad balladeer

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