insuperable发音形容词1无法克服的、难以跨越的正式The language barrier turned out not to be insuperable after all.语言隔阂到头来并非无法克服。2无可超越的、无人能敌的正式Her lead in the polls now looks almost insuperable.她在民调中的领先幅度看来几乎无可超越。用这个字练口说→