单词：gravity-free space
单词：gravity-free space 相关文章
Scientists Decipher Fact From Fantasy in Movie 'Passengers' LOS ANGELES In the new Sci-Fi film Passengers, by Sony Pictures Entertainment, people on Earth are on a 120-year trip to colonize a new planet. But something goes wrong on their way there. S
VOA标准英语2016年(十二月)
Magic Melody-BeFour I'm walking through a land Of peace and harmony Come take me by the hand And join my fantasy This dream has just begun Come on and sing with me I know a certain song A certain melody goes La la la la la The magic melody goes La la
欧美歌手Befour专辑
[00:00.00]Unit 2 Heroes [00:06.38]Lesson 1 Modern Heroes [00:09.60]National Hero [00:11.53]China's first manned spaceship lifted off [00:14.08]at 9 a.m.on Wednesday, [00:15.90]October 15th,2003 in Jiuquan,Gansu province. [00:21.64]The spaceship,calle
北师大版高中英语模块1
(man) Located at the NASA Research Center in Iowa is a 5,000-gallon vat of water, and inside the tank is an underwater treadmill designed by Dava Newman, an aerospace engineer. For four years Newman observed scuba divers as they simulated walking on
托福听力短文
Broadcast: Jan 29, 2003 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a space rock that
VOA2003（上）-科技导航
AS IT IS 2013-05-03 Space Flights Can Harm Astronauts' Health Hello, again. Im Jim Tedder in Washington. Thank you for spending some time with VOA. Today, we have two stories from Africa. There is disturbing news about migrants in the Horn of Africa.
2013年VOA慢速英语(五)月
A trip to space 去太空旅行 Im so happy! Tomorrow Ill be one of the first students to travel into space. The spaceship will leave the Earth at 9 a.m. Itll take us to the Moon. I cant wait! The Moon is around 380,000 kilometers from the Earth, so
TED演讲国际问题篇
Time spent in zero G changes the body: Astronauts come home with bone loss and muscle weakness. But what happens in their heads? To find out, researchers examined MRIs of astronauts brains taken before and after flight. They looked at 12 astronauts w
2017年Scientific American(二)月
Why Is Gravity Good For Us? When astronauts return from long missions in space, their exit from the spacecraft is usually hidden from public view. This is because after several months in weightless conditions, things we usually take for granted, such
英语听力文摘 English Digest
This is Scientific American's Sixty Second Science. I am Marryia Decrisdina, got the minute. First Youtube Space Lab contest has anounced its winners, young people entry by creating a short vedio of their idea for experiments to be down in space. I w
Scientific American(四)月
As Brazil geared up for the World Cup, 230 miles above Earth, astronauts had their own microgravity kick-about. 巴西世界杯开幕之际，宇航员们在几乎没有重力的230英里高空踢起了足球。 U.S. astronauts Reid Wiseman and Steve
英语新闻
Gravity 重力 What happens if you drop a book? 如果你丢一本书会发生什么？ Absolutely, it will fall down to the floor. This is called gravity. 很显然，书会掉到地上。这就叫做重力。 Gravity pulls from the center of the Ea
与美国小学生一起学英文第6册
Worms Get Ready to Fly in Space 蠕虫准备在太空中飞行 Humans are well-equipped for life on Earth. But in space, it is a different story. Low or zero gravity changes how the blood flows and causes motion sickness, muscle loss and tiredness. W
2015年VOA慢速英语(三)月
Study: Immune System Weakens in Space During the final flight of the US space shuttle Atlantis in the summer of 2011, one of the most important pieces of scientific cargo on board was a medical experiment designed to test how the human immune system
VOA标准英语2013年(四月)
Some of the issues that are important if you want to have people in space for long periods of time. 如果人类想长期置身太空，有几个重要的问题不得不考虑。 One is that people will tend to lose bone and muscle mass. 其中之一就
TED演讲教育篇
JUDY WOODRUFF: But, first, this week marks the 100th anniversary of the publication of Albert Einstein's greatest work, a series of papers laying out the general theory of relativity. Gwen has a look at how it changed our understanding of the cosmos
PBS访谈教育系列
Animals can predict natural disasters 动物能够预知自然灾害 There is no evidence that animals possess a mysterious sixth-sense allowing them to predict natural disasters. Their keen senses of smell, hearing, and sharp instincts alone are eno
实用英语
英文歌词 ： Something always brings me back to you. It never takes too long. No matter what I say or do I'll still feel you here 'til the moment I'm gone. You hold me without touch. You keep me without chains. I never wanted anything so much than to
音乐咖啡厅
BEIJING, June 7 (Xinhua) -- Member states of the Shanghai Cooperation Organization (SCO) called for the establishment of a nuclear-weapon-free zone in central Asia in a declaration released after the conclusion of the group's Beijing summit on Thursd
英语新闻
When people don't feel well, they go to see the doctor and take medicine. Though astronauts may also face health problems in space, both physically and mentally, how do they go about finding medical treatment? And what do they do to improve their hea
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