last in的用法和样例：
例句
- This country ranks last in industrial output.
这个国家的工业生产排名最後。 - Much to his chagrin, he came last in the race.
他因跑个倒数第一而垂头丧气。 - The firm will apply the principle of last in, first out'.
公司将实行｀後来者先走＇的原则。 - He came last in the race.
他赛跑落得了最后。 - The sun broke through at last in the afternoon.
太阳在下午终於从云层後面钻出来了。 - He became a champion at last in virtue of his perseverance.
凭着坚韧不拔的精神，他终于成为冠军。 - Which line comes last in this poem?
这首诗的最后一行是什么？
