单词：planetary gears
单词：planetary gears 相关文章
SCIENCE IN THE NEWS - Gore's Movie Heats Up Discussion of Global Warming (and Has His Critics Steaming)By Caty Weaver and George Grow Broadcast: Mon, 3 Jul 2006 16:00:00 UTC (MUSIC) VOICE ONE: This is
2006年慢速英语（七）月
Well, this is super awkward. 这真是尴尬到爆。 Stupid Kardashians! 卡戴珊一家全是白痴！ Kim, Kankels, Krank, and the little ones, kegel and kickball, You can kiss my keister. 金，金胖脚踝，金坏脾气，还有那两个小的金
打工姐妹花第四季
This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Astronomers have already discovered hundreds of exoplanets. But make way for the new kid, which is orbiting a kind of star that models say it shouldnt. Researche
Scientific American(十一)月
Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy wit
国家地理2008年
This is Whats Trending Today. Last week, the American space agency NASA announced it was looking for a Planetary Protection Officer. Many people discussed the job on social media. The Washington Post called the jobs title one of the greatest ever con
2017年VOA慢速英语(八)月
By David McAlary U.S. astronomers have made a finding they say increases the chance that distant stars may harbor planetary systems like our own. They have discovered two planets the size of Neptune e
VOA2004（下）--健康科技
PISCES February I9 to March 20 The Piscean is the ideal silent partner. When actively engaged in a partnership, he is apt to be too indecisive, and either too suspicious or too trusting. His emotions invade everything and they are not clear-sighted.
趣味英语
by Arnold Schwarzenegger keywords: weightlifter, discipline, determination, dream I started way back as a weightlifter. From the first moment when I gripped a barbell and lifted the steel up over my head, I felt this was exhilaration, and I knew then
英语演讲
By Mike O'Sullivan Los Angeles 20 December 2006 The Planetary Society, an organization that promotes space exploration, has teamed up with NASA to send a digital greeting card to Mars aboard the Phoenix lander, an unmanned space probe, on a mission
2006年VOA标准英语（十二月）
Southern African leaders meet in Johannesburg Sunday in an attempt to resolve the impasse between Zimbawean leaders over the allocation of Cabinet posts in a planned power-sharing government. However, as Peta Thornycroft reports, a surge in state-sp
VOA标准英语2008年(十一月)
Juno Spacecraft Launches Toward Jupiter The U.S. space agency launched the Juno spacecraft from the Kennedy Space Center in Florida Friday, beginning a five-year journey to Jupiter. 3,2,1. Ignition and liftoff of the Atlas 5 [rocket] with Juno on a t
VOA标准英语2011年(八月)
My parents, of course, I have to tell you, didn't understand my dreams at all. They were always wondering, they said, What is he doing? When are you going to get a job, a real job? When are you going to make money? And all of those questions I got. A
名校励志英语演讲
Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy with
自然百科2008年
The Prime Meridian(本初子午线) here is the longitude, the mark on the ground, from which all great voyages are measured. This is the view back to our remarkable home planet/ that the first human out here can look forward to, a distant blue dot l
自然百科2012年
Still, statistically the probability that there are other thinking beings out there is good. Nobody knows how many stars there are in the Milky Wayestimates range from 100 billion or so to perhaps 400 billionand the Milky Way is just one of 140 billi
万物简史
First Solar Sail to be Launched into Orbit from Russian Submarine 俄潜艇首发太阳反射器进入轨道 A solar sail might do for space missions what fabric sails once did for sea travel.It would
VOA2005（下）--环境科学探索
10-15-2010 The Central Committee（中央委员会 ） of the Communist Party of China is to meet in Beijing. Members will discuss proposals for the country's 12th Five-year plan and the term inclusive growth is expected to be the new buzz word. The
英语新闻
Hollywood is gearing up for the 84th annual Academy Awards Sunday. The prestigious film honors, also known as the Oscars, acknowledge the best in movie making, and golden statuettes will go to actors and actresses and others behind the camera. The to
英语新闻
Scientists Say New Diet May Save Planet From VOA Learning English, this is the Health and Lifestyle report. 欢迎收听美国之音学习英语栏目，这里是健康与生活频道。 Scientists in London say they have found the best diet for both
2019年VOA慢速英语(二)月