音標發(fā)音英式音標 [?f??st ?fl??r]美式音標 [?f??st ?fl??r]英式發(fā)音 美式發(fā)音 基本解釋（建筑物的）第二層，二樓, （建筑物的）底層，一樓。同根派生 the first floor相關(guān)詞英漢例句noun [ S ]She works on the first floor. 她在二樓工作。She got on the elevator on the first floor and pushed the button for the 35th. 她在底層進入電梯，按下了去第35層的按鈕。the first floor更多例句英英字典劍橋英英字典 the level of a building that is one level above the streetthe first floor劍橋字典the first floor柯林斯字典