https://online2.tingclass.net/lesson/shi0529/0009/9907/134.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
laid-back 悠闲的，懒散的，自在的，从容不迫
Why are you so laid-back? The exam is in 30 minutes!
你怎么还是这么闲散?考试30分钟之后就要开始了!
Everyone here has a really laid-back attitude.
这里的每个人都是一副优哉游哉的态度。
疯狂练习吧!
