OMG美语:OMG!美语 Keep Your Head Up!(在线收听

 1) Keep your head up! 振作点!2) buckle down开始认真从事 3) swamped with..忙于.. 要考试了,喝杯咖啡,开启学霸模式!
  原文地址:http://www.tingroom.com/video/omgenglish/251362.html