Lesson 12 Goodbye and good luck 再见，一路顺风【New words and expressions】生词和短语（）luck 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 n. 运气，幸运a piece of luck 一件喜事good luck =break your leg(俚语) 祝你好运(god) bless you 保重（比如在别人打喷嚏时说的话）lucky adj. 幸运的 unlucky adj.不幸的lucky dog 幸运儿lucky day 幸运日luckily adv. 幸运地sail v. 航行vi. (船)航行，扬帆起航The ship is sailing for New York.vi. (人)乘船航行I want to sail around the world.
