n. 戈登(姓氏)

Science Challenges Await at Top US High School 美国顶级高中的科学挑战赛 POOLESVILLE, MARYLAND Whether creating small rovers to explore a simulated moon-like celestial body or participating in science competitions, students at Poolesville

发表于:2018-12-08 / 阅读(25) / 评论(0) 分类 VOA标准英语2014年(六月)

One of the best celestial events of the year is set to peak this weekend. It will be the largest super moon of the year. The super moon is actually the result of two phenomena occurring at the same time. The moons orbit around the earth is not perfec

发表于:2018-12-28 / 阅读(25) / 评论(0) 分类 轻松英文阅读

That budget now stands at $5,400 million a yeara staggering sum, though somewhat less than we pay for cigarettes and cigars every year. Space expenditures will soon rise some more, from 40 cents per person per week to more than 50 cents a week for ev

发表于:2018-12-30 / 阅读(54) / 评论(0) 分类 名人励志英语演讲

Migrating Birds Remember Better Migratory birds not only get to see the world. A new study finds that these globetrotters also have better long-term memories than stay-at-home relatives. The extra bra

发表于:2018-12-30 / 阅读(214) / 评论(0) 分类 英语沙龙2004全年合辑下

MARY LOUISE KELLY, HOST: Scientists announced today that for the first time, they have been able to pinpoint the source of a particle called a high-energy neutrino. It was detected by an observatory at the South Pole. And as NPR science correspondent

发表于:2019-01-08 / 阅读(32) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Astronomers Are On A Celestial Treasure Hunt. The Prize? Planet Nine SCOTT SIMON, HOST: Astronomers now think they've discovered a new planet in our solar system. All they have to do is find it. NPR science correspondent Joe Palca has been exploring

发表于:2019-01-17 / 阅读(72) / 评论(0) 分类 2016年NPR美国国家公共电台8月