标签：saturn 相关文章

VOA慢速英语2009年-EXPLORATIONS - NASA's Final Apollo Mission

VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about the flights that followed Apollo Eleven to the moon. (MUSIC) VOICE ONE: The summer of nineteen sixty-nine was a special tim

发表于:2018-12-07 / 阅读(74) / 评论(0) 分类 VOA慢速英语2009年（七）月

美国有线新闻 CNN 木星直径约是地球直径的11倍

In terms of its diameter, which of these planets is about 11 times the size of Earth? 就其直径而言，以下哪个行星的直径大约是地球直径的11倍? Venus, Saturn, Jupiter or none of these? 金星，土星，木星还是都不是? The

发表于:2018-12-20 / 阅读(50) / 评论(0) 分类 CNN美国有线新闻2018年3月

《英语流行话题阅读:语境识词3500》Unit58:狂欢节的起源

《英语流行话题阅读:语境识词3500》Unit58:狂欢节的起源

发表于:2018-12-30 / 阅读(53) / 评论(0) 分类 英语语境识词

2005年NPR美国国家公共电台十二月-Finding Beauty, and Fun, in Every Day

It's Friday, and once again we bring you StoryCorps, the oral history project travelling the country that gives family and friends the chance to ask one another about their lives. Copies of the conversations go to the Library of Congress and excerpts

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 2005年NPR美国国家公共电台

英语听力：自然百科 行星旅行指南：木星 Jupiter—5

Halfway there, you bump into the Asteroid Belt. It is not like in the movies where you are dodging asteroids at every second. It is a The space is very big and the asteroids are a long distance apart, so you could travel through it quite safely. The

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 自然百科2012年

2006年VOA标准英语-Solar System Could Gain New Planets Under Defin

By David McAlary Was 16 August 2006 Artist's rendition of solar system There may soon be three new planets in our solar system. The expansion would be the result of a proposed new definition of what a planet is. The change is controversial, but if a

发表于:2019-01-11 / 阅读(135) / 评论(0) 分类 2006年VOA标准英语（八月）

2006年VOA标准英语-Progress Reported on AIDS, Bird Flu, Malaria, C

By Melinda Smith and Paul Sisco Washington, DC 22 December 2006 watch 2006 Science and Medicine Within the next quarter century, AIDS is projected to be among the top three causes of death around the world. That dire prediction comes from researcher

发表于:2019-01-12 / 阅读(142) / 评论(0) 分类 2006年VOA标准英语（十二月）

美国国家公共电台 NPR Gene Cernan, Last Man To Walk On The Moon, Dies At 82

KELLY MCEVERS, HOST: The last person to leave footprints on the moon has died at age 82. Gene Cernan was big, brash and gregarious, and if he hadn't been lucky, he could have missed his chance to walk on the moon. NPR's Russell Lewis has this remembr

发表于:2019-01-16 / 阅读(61) / 评论(0) 分类 2017年NPR美国国家公共电台1月

英语听力：自然百科 行星旅行：土星 Saturn—18

Breathing from a so-dubbed scuba unit and now fitted in a cross between a super ski suit and a haz-mat coverall, future Titannauts could explore with confidence. You just need that thermal protection and oxygen, and then you can play on the surface a

发表于:2019-01-22 / 阅读(61) / 评论(0) 分类 自然百科2012年

英语听力：自然百科 已知的宇宙：外星生命 Alien_Contact-2

Are we alone ?And it ties into all the big questions: how do we get here ? where are we going ?Are we a part of a bigger picture? But for the longest time ,the question was taboo to science . Before the Mid-1990s ,it was considered somewhat embarassi

发表于:2019-01-22 / 阅读(69) / 评论(0) 分类 自然百科2010年
最新学习文章
热门学习文章