音標(biāo)發(fā)音英式音標(biāo) [?r?n.?? ?b?k]美式音標(biāo) [?r?n.?? ?b?k]英式發(fā)音 美式發(fā)音 基本解釋（美式橄欖球）跑衛(wèi)，跑鋒。同根派生 running back相關(guān)詞英漢例句I'll run back over the procedure once again.我把這個程序再複查一次。Hit the running back with a pass.傳球給快跑中的後衛(wèi)running back更多例句英英字典劍橋英英字典 an American football player who carries the ball from the line where the play startsrunning back劍橋字典running back柯林斯字典