英国广播公司刚刚成功地演示了一套新的数字无线电传输系统。The BBC has just successfully demonstrated a new digital radio transmission system.凯瑟琳演示了洁面的正确方法。Catherine demonstrated the proper way to cleanse the face.采用了演示及播放电影和录像带的形式，以起到教育作用。Demonstrati...
一句最朴实的话: 中秋 快乐!One of the most simple: a happy Mid - Autumn Festival !祝今日关注全体员工, 中秋 快乐!Today, I wish all the employees concerned, a happy Mid - Autumn Festival !祝中秋快乐!Have a wonderful time on Mid - Autumn Day....