明星效应(1)

科学60秒:智能手机的妙用

Smart phones can provide music, movie times, bus schedules. They can even make phone calls! And now, they might help ____1____ fuel use while driving. That is, if enough are used in a system call...

词语掌故：和蔬果有关的表达Ⅲ(1/2)

My mother always told us there is no use crying over spilled milk. That means you should not get angry when something bad happens and cannot be changed. People said my mother was a good egg. She ...

金融危机下的华尔街 (1)

Henry Paulson Goldman Sachs Morgan Stanley Mitsubishi UFJ Warren Buffett Many financial companies have moved to other New York streets. But Wall Street still holds its place in the language as th...

“空中”教室(1)

这是真正的“空中”教室，他们在宇宙空间站接受学生来自地球的提问"Good morning, Discovery Center -- good afternoon. We're happy to be here with you. This is Al Drew, Clay Anderson, Dave Williams and...