音標(biāo)發(fā)音英式音標(biāo) [?f??st.la?n ?tri?t.m?nt]美式音標(biāo) [?f??st.la?n ?tri?t.m?nt]英式發(fā)音 美式發(fā)音 基本解釋首選治療方案。同根派生 first-line treatment相關(guān)詞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劍橋字典first-line treatment柯林斯字典