音標(biāo)發(fā)音英式音標(biāo) [?fr?n.t?l ?s?s.t?m]美式音標(biāo) [?fr?n.t??l ?s?s.t?m]英式發(fā)音 美式發(fā)音 基本解釋（由多個鋒面組成的）鋒系。同根派生 frontal system相關(guān)詞英漢例句noun [ C ]With so many frontal systems so close together, we can expect the weather to be highly changeable over the next few days. 有這么多鋒系如此接近，我們預(yù)計以后幾天的天氣情況將會多變。frontal system更多例句英英字典劍橋英英字典 a combination of weather conditions in which one or more weather fronts can be recognizedfrontal system劍橋字典frontal system柯林斯字典