新英語900句之生活篇Lesson41:UnforgetableExperiences難忘的經歷601.Ioncemetthepresident.我曾經見過總統。602.Swimmingwithdolphinsvwasunforgettable.和海豚一起游泳是很難忘的。603.IalmostdrownedwhenIwasaboy......