Whether you like it or not, we use numbers every day. 不管你喜不喜欢,我们每天都会用到数字。 Some numbers, such as the speed of sound, are small and easy to work with. 有些数字比如音速,数值不大,容易计算。 Other

发表于:2018-12-18 / 阅读(32) / 评论(0) 分类 TED演讲教育篇

At first, there seem to be so many unknowns that the problem appears to be unsolvable. 乍一看存在太多未知的信息,这个问题根本无法回答。 That is the perfect application for a power-of-10 estimation, as we don't need an exact an

发表于:2018-12-18 / 阅读(34) / 评论(0) 分类 TED演讲教育篇

The death toll from Tuesday's earthquake in southern Iran has risen to 37. At least 850-others have been injured in the earthquake. The magnitude-6.3 quake has been followed by over a dozen strong aftershocks. Most of those killed are in the city of

发表于:2018-12-19 / 阅读(22) / 评论(0) 分类 英闻天下

Electric power stations were operating again and some businesses reopened in the Indonesian city of Palu on Thursday. However, the condition of thousands of people in nearby communities was unknown nearly a week after an earthquake and tsunami hit th

发表于:2019-01-03 / 阅读(77) / 评论(0) 分类 2018年VOA慢速英语(十)月

By Catherine Makino Tokyo 17 July 2007 A day after a powerful earthquake struck Japan's northwestern coast, officials are investigating the possibility of radioactive leaks at a nuclear power plant. As Catherine Makino reports from Tokyo, the search

发表于:2019-01-30 / 阅读(99) / 评论(0) 分类 2007年VOA标准英语(七月)

1. The outgoing president of Chile is asking for foreign help in dealing with what she calls a catastrophe of such unthinkable magnitude. The 8.8-magnitude quake struck early Saturday. The death toll has now topped 700. Half a million homes were eith

发表于:2019-02-11 / 阅读(114) / 评论(0) 分类 美联社新闻一分钟2010(三月)