釋義鐵經(jīng)過多次冶煉才成了鋼。比喻久經(jīng)鍛煉,變得非常堅(jiān)強(qiáng)。be tempered into steel / be put through the mill / be toughened and hardened into steel例句 青年一代只有在學(xué)習(xí)和工作中經(jīng)過長期的艱苦奮斗,才能百煉成鋼,成為堅(jiān)強(qiáng)的社會主義建設(shè)者。......(本文共 259 字) [閱讀本文] >>