肺结核研究的新进展 (2)

狗的赞歌

短文The best friend a man has in the world may turn against him and become his enemy. His son or daughter that he has reared with loving care may prove ungrateful. Those who are nearest and deare...

厨房飘着的云朵

短文Fill a kettle with water, then turn on the burner. In a while, your kettle will start belching white billowy stuff into the air. What is this stuff? Steam? Actually, no. Steam is water ...

只吃土豆的减肥法

bbcCan a diet of eating only potatoes for 60 days be good for you? This is precisely what one American man has done in order to "remind the public about the nutritional value of potatoes."Chr...

布什回国(2)

布什从八国峰会回来，面对一团乱麻的国会，怎么办？The president says he knows it is a tough debate, but he is still optimistic about getting the bill through. "I believe we can get an immigration b...