[al:新概念英语（第1册）第81课（听力强化·中英）]
[ti:Roast Beef and Potatoes－烤牛肉和土豆]
[ar:© 2011 露珠英语工作室]
[by:http://weibo.com/DewEnglishStudio]
[00:00.00]We can have dinner at seven o'clock.
[00:01.00]7点钟我们可以吃饭。