这本该只是一个简短的会议，然而却开了3个小时。我们离开会议室的时候，除了会议主席以外，大家都已经疲惫不堪了。关键词汇：be supposed to是指应该的意思。exhausted是指疲惫不堪，很累的意思。辨音难点： step out of连读。

People are now ordering and purchasing virtually anything over the Internet. Books, compact disks and even stocks are available from websites that seem to spring up almost daily.

It was supposed to be a short briefing, but it lasted 3 hours. We were all exhausted when we stepped out of the conference room, all except chair person.