音標(biāo)發(fā)音英式音標(biāo) [?f??st ?be?s]美式音標(biāo) [?f??st ?be?s]英式發(fā)音 美式發(fā)音 基本解釋（棒球的）一壘；一壘手的防衛(wèi)位置。同根派生 first base相關(guān)詞英漢例句noun [ C usually singular ]Mattingly played first base for the Yankees. 馬丁利在揚(yáng)基隊(duì)任一壘手。first base更多例句英英字典劍橋英英字典 in baseball, the first of four places you must run to after hitting the ball and before scoring a point, or the position of a player defending this placefirst base劍橋字典first base柯林斯字典