https://online2.tingclass.net/lesson/shi0529/0009/9907/195.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
bright 聪明的，明亮的，鲜明的
Mary is a very bright student.
Mary是一个很聪明的学生。
Success is not just about being bright, it's also about working hard.
成功不仅仅需要聪明，同时需要努力奋斗。
疯狂练习吧!
