Then a strange thing happened. 然后一件怪事发生了。 The house whirled around two or three times and rose slowly through the air. 这屋子旋转了几次,慢慢地升上空中。 Dorothy felt as if she were going up in a balloon. 多萝茜觉

发表于:2018-12-30 / 阅读(28) / 评论(0) 分类 绿野仙踪.The.Wizard.Of.Oz

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(十二)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. VOICE TWO: And Im Barbara Klein. Our subject today: severe ocean storms. (MUSIC) VOICE ONE: September is usually the worst month for hurricanes in the Atlantic Ocean. At

发表于:2019-01-11 / 阅读(49) / 评论(0) 分类 VOA慢速英语2008(十)月

By Carol Pearson Washington 22 August 2007 High blood pressure, or hypertension, is a disease usually associated with adults, but children can get it too and can have serious health problems because of it. A new study is now calling for pediatricians

发表于:2019-01-13 / 阅读(94) / 评论(0) 分类 2007年VOA标准英语(八月)

Northland has had heavy rain and strong winds for the past 24 hours with flooding in some areas. About 200mm of rain fell last night and it is still raining. Some farm land is flooded. Some roads and schools are closed and the police said that people

发表于:2019-02-17 / 阅读(54) / 评论(0) 分类 新西兰英语

In 2007, scientists compared height and DNA between more than 11,000 pairs of siblings and found that, across humans, 86% of height's variation can be explained by genetics. As traits go, this is very high; for comparison, genetics only explains abou

发表于:2019-02-20 / 阅读(19) / 评论(0) 分类 留美老师带你每日说英文