音标发音英式音标 [ˌfɜːst.laɪn ˈtriːt.mənt]美式音标 [ˌfɝːst.laɪn ˈtriːt.mənt]英式发音 美式发音 基本解释首選治療方案。同根派生 first-line treatment相关词英英字典劍橋英英字典 the first method that a doctor chooses to treat a particular illness or conditionfirst-line treatment剑桥字典first-line treatment柯林斯字典