诸多线索综合起来为我们描绘出一幅画面:那是火星遥远的过去,那时的火星还有着一层厚厚的大气层,令这颗星球温热暖和,从而使水能够在火星表面流淌。但如今,地表的水消失不见,而

发表于:2018-12-07 / 阅读(75) / 评论(0) 分类 60秒科学

The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away

发表于:2019-01-08 / 阅读(52) / 评论(0) 分类 Scientific American(十)月

fashion maven 时装专家 英文释义 A fashion expert; someone who understands what is most popular in stylish clothing (NOTE: maven is a YIDDISH language noun meaning one who understands)例句My little sister is afashion mavenwho lives in New Yo

发表于:2019-01-08 / 阅读(26) / 评论(0) 分类 每日商务英语

1. The Supreme Court is refusing to intervene in the controversy surrounding the National Security Agency. The justices on Monday rejected a call from a privacy group to stop NSA from collecting the telephone records of millions of Verizon customers

发表于:2019-01-11 / 阅读(97) / 评论(0) 分类 美联社新闻一分钟2013(十一月)

AS IT IS 2014-10-15 Spacecraft Sends 'Tantalizing' Information from Mars 飞船从火星发回诱人的信息 Scientists working on the year-long American mission to explore Mars hope that it will help solve the mystery of how the Red Planet lost mos

发表于:2019-01-12 / 阅读(28) / 评论(0) 分类 2014年VOA慢速英语(十)月

NASA's MAVEN Spacecraft Arrives at Mars 美国宇航局的Maven飞船到达火星 NASAs newest Mars probe, called MAVEN, has successfully entered its designated orbit around the red planet. Scientists will use its sophisticated instruments to try to

发表于:2019-01-14 / 阅读(23) / 评论(0) 分类 VOA标准英语2014年(九月)