单词：lowest unoccupied molecular orbital (LUMO)
单词：lowest unoccupied molecular orbital (LUMO) 相关文章
1. Hi, dont try to red me off, I know what this is worth 2. Can you give me a little deal on this? 3. Can you give me this for cheaper? 4. Is there a discount on both purchases? 5. Give me a discount 6. How much do you want for this? 7. If you dont g
新洋话1000句（1）
Questions for NASA after Rocket Explosion 火箭爆炸后美国国家航空航天局面临的问题 Unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from NASA video at Wallops Island, V
2014年VOA慢速英语(十)月
Silicon Valley More Than a Place ... It's a Culture 硅谷不仅仅是一个地方更是一种文化 MOUNTAIN VIEW, CALIFORNIA Running a company with a treadmill inside, in the middle of Silicon Valley, is not what Monisha Perkash had imagined when s
VOA标准英语2016年(七月)
Virgin Spaceship Crash Raises Questions 维珍宇宙飞船失事引发诸多问题 WASHINGTON Plans to fly tourists to the edge of space could be delayed after Friday's crash of Virgin Galactic's SpaceShipTwo during a manned test flight. It is the se
VOA标准英语2014年(十一月)
美国火箭爆炸，私营航天产业的挫折 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosion of a private U.S. cargo space craft shortly after it's
VOA双语新闻 2014年10月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because
Scientific American(四)月
The lowest animal Man is the only animal that robs his helpless fellow of his country-takes possession of it and drives him out of it or destroys him. Man has done this in all the ages. There is not an acre of ground on the globe that is in possessi
英语名著名段背诵精华
Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel
(科普英语)Earth and Sky
By Mona Ghuneim New York 04 July 2007 Three documentaries featured at the annual Human Rights Watch Film Festival in New York this year aim to put a human face on the issues and crises facing Africa today. From New York, VOA's Mona Ghuneim has the st
2007年VOA标准英语（七月）
The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.
Scientific American(十)月
美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup
英语新闻
SCIENCE IN THE NEWS - Space Junk Threatens Earths Orbital Environment JIM TEDDER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Jim Tedder. KATHERINE COLE: And Im Katherine Cole. Today, we tell about an ever increasing number of objects in
2011年VOA慢速英语(九)月
AS IT IS 2016-08-07 More Than a Place, Silicon Valley Is a Culture 硅谷不仅仅是一个地方更是一种文化 Monisha Perkash and her parents moved to the United States from Nepal. She never imagined that one day she would be heading a company
2016年VOA慢速英语(八)月
Global Warming Could Delay Next Ice Age The next ice age could be delayed by tens of thousands of years due to excessive amounts of heat-trapping carbon dioxide in the atmosphere, which disrupts Earths natural cycle of warming and cooling, according
VOA标准英语2012年(一月)
With Failed Launch, US Private Space Industry Suffers Setback 火箭发射失败 美国私人航天受挫 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosi
VOA标准英语2014年(十月)
The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p
实用英语
By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method
2006年VOA标准英语（七月）
LONDON/NEW YORK, March 2 (Xinhua) -- The rating agency Moody's on Friday cut the sovereign credit rating of Greece to the lowest level, saying the country's default risk was high. Moody's downgraded Greece long term sovereign credit rating from Ca to
英语新闻
换季血拼的时候又到了，各位久经商场的购物狂人，一定预备好了杀价策略，准备大显身手！今天就来看看砍价都会用到哪些口语吧！ 1. Hey, don't try to rip me off. I know what this is worth. 别想宰我，
英语口语