Lesson 12 Goodbye and good luck单词讲解课文讲解关键句型练习复习补充内容单词讲解New words and expressionsluck n. 运气,幸运 captain n. 船长sail v. 航行 harbour n. 港口proud adj. 自豪 important adj. 重要的luck 幸运,运气 Ua lot of luck 一点点幸运a piece of luck 一件喜事eg. Good luck to you! 祝你好运!/你等死吧!eg. Just my luck. 倒霉,又失败了。eg. Better luck next time. 下次运气会更好一点的。lucky 幸运的 adj. unlucky 不幸的eg. I am not the best one, but the luckiest one. 我不是最好的,但是最幸运的。eg. Who is todays lucky dog? 谁是今天的幸运