轨道角动量

世界各地拍摄到的超级月亮

AS IT IS 2016-10-18 Supermoon Photos Around the World 世界各地拍摄到的超级月亮 This is Whats Trending Today. Something called a supermoon rose at night on October 15 and 16. That is when the moon is full, closer to Earth than usual, and l

发表于:2018-12-08 / 阅读(231) / 评论(0)

2016年VOA慢速英语(十)月

趣味青春英语第87期:Move heaven and earth

Idiom: Move heaven and earth 经历千辛万苦做成某事 Hit the books: 1. space station 空间站 2. soil 土壤 3. astronaut 宇航员 4. orbit 轨道，围绕进行旋转 5. unreliable 不可靠的 6. laptop 手提电脑，笔记本电脑 7. ch

发表于:2018-12-27 / 阅读(165) / 评论(0)

趣味青春英语

TED演讲:书呆子教你如何在线学习(9)

And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁， talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒，由于是在YouTube上，所以他用

发表于:2018-12-30 / 阅读(267) / 评论(0)

TED演讲科技篇

VOA标准英语2011--Space Crew to Enjoy Thanksgiving Feast in Orbit

Space Crew to Enjoy Thanksgiving Feast in Orbit The three crew members on the International Space Station plan to have their own Thanksgiving feast on Thursday as they orbit 352 kilometers above the earth. The lone American on board plans to share so

发表于:2019-01-06 / 阅读(172) / 评论(0)

VOA标准英语2011年(十一月)

SSS 2009-01-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We residents of the Milky Way should have a little extra skip in our step today. Turns out our home galaxy is much bigger and moving a lot faster than we previously th

发表于:2019-01-08 / 阅读(239) / 评论(0)

Scientific American(一)月

科学家称发现太阳系新行星

Is There a Ninth Planet in Our Solar System? 科学家称发现太阳系新行星 Scientists said they have found evidence of a giant planet far out in our solar system. In a statement, the California Institute of Technology Caltech -- said this plan

发表于:2019-01-12 / 阅读(365) / 评论(0)

2016年VOA慢速英语(一)月

2007年VOA标准英语-Rice Seeks Momentum in Israeli-Palestinian Peac

By David Gollust Jerusalem 01 August 2007 U.S. Secretary of State Condoleezza Rice held talks with senior Israeli officials Wednesday to try to restore momentum to the Israeli-Palestinian peace process. She came to Jerusalem from Saudi Arabia, where

发表于:2019-01-13 / 阅读(295) / 评论(0)

2007年VOA标准英语（八月）

2017年CRI China's cargo spacecraft refuels space lab in orbit

China's first cargo spacecraft has refueled the Tiangong-2 space lab in orbit for the first time. Tianzhou-1, which was launched April 20th from Wenchang Space Launch Center in south China's Hainan Province, successfully completed an automated dockin

发表于:2019-01-19 / 阅读(250) / 评论(0)

2017CRI中国国际广播电台

2016年CRI Chinese space lab Tiangong-2 kicks off in-orbit tests, waiting for docking with Shenzhou-11

Hours after Tiangong-2 was successfully launched, the space lab conducted its first transfer of orbit at 2:45 am Beijing time on Friday morning. In the meantime, it has also started in-orbit tests, which are a series of examinations on the functions

发表于:2019-01-19 / 阅读(231) / 评论(0)

2016CRI中国国际广播电台

VOA常速英语2008年-Obama Builds Momentum in US Presidential Race

By Jim Malone Washington 13 February 2008 Senator Barack Obama got a major boost Tuesday with victories in the Democratic presidential primaries in Maryland, Virginia and the District of Columbia. Obama remains in a tight race with Senator Hillary Cl

发表于:2019-01-19 / 阅读(192) / 评论(0)

VOA常速英语2008年（二月）

英语听力：探索发现 2014-05-30 BBC 地平线：陨石的真相-9

Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b

发表于:2019-01-23 / 阅读(211) / 评论(0)

探索与发现2014年

VOA慢速英语20060802b

EXPLORATIONS - 'The Greatest Experience': Ed White Goes for the First American Walk in SpaceBy Marilyn Christiano Broadcast: Wednesday, August 02, 2006 EXPLORATIONS -- a program in Special English by

发表于:2019-01-30 / 阅读(191) / 评论(0)

2006年慢速英语（八）月

每日一词【371】momentum：势头

今天我们要学的词是momentum。 Momentum, 是势头的意思。 To gather momentum, 势头大增，to lose momentum, 势头减弱。美国前阿肯色州州长赫卡比在爱奥华州的基层党团会议选举中排名第一。No other candid

发表于:2019-02-04 / 阅读(171) / 评论(0)

英语每日一词

Orbit tower unveiled in London's Olympic park

LONDON, May 11 (Xinhua) -- A controversial steel tower was unveiled in the Olympic park of London on Friday, about two and a half months before opening of the Games, which was hoped to become of a new icon of the city and bring more visitors. The tow

发表于:2019-02-05 / 阅读(178) / 评论(0)

英语新闻

NASA Messenger Probe Set for Historic Orbit Around Mercury

The U.S. space agency NASAs Messenger probe（正直的，廉洁的） is scheduled to reach Mercury later this week, and become the first spacecraft to orbit the planet closest to the sun. During Messengers year-long orbital mission, scientists exp

发表于:2019-02-05 / 阅读(218) / 评论(0)

英语新闻

MESSENGER Spacecraft Will Be First to Orbit Planet Mercury

The U.S. space probe MESSENGER is poised to enter orbit around Mercury（水银） early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting

发表于:2019-02-05 / 阅读(202) / 评论(0)

英语新闻

NASA's twin probes reach lunar orbit

WASHINGTON, Jan. 1 (Xinhua) -- Twin U.S. spacecraft to study the moon from crust to core put themselves into the lunar orbit on New Year's Eve and New Year's Day, the country's space agency said. The second Gravity Recovery And Interior Laboratory, o

发表于:2019-02-05 / 阅读(220) / 评论(0)

英语新闻

Russia determines cause of failed satellite launch

MOSCOW, Aug. 30 (Xinhua) -- Russia's space agency said Tuesday that a Proton-M rocket launch failed earlier this month because of a malfunction in the upper stage. The conclusion was reached by an independent investigation commission following a seri

发表于:2019-02-11 / 阅读(196) / 评论(0)

英语新闻

Iran to launch research satellite into space: report

TEHRAN, Oct. 9 (Xinhua) -- Iran is going to launch domestically- built Navid satellite by Safir satellite launcher by the end of March 2012, the semi-official Mehr news agency reported on Sunday. Navid (promise) is a research satellite and is current

发表于:2019-02-18 / 阅读(223) / 评论(0)

英语新闻

经济学人297:应对小行星撞击近地掠过

Science and technology 科学技术 Dealing with asteroid strikes 应对小行星撞击 A close shave 近地掠过 After a hit and a near miss minds are focusing on the risks from space rocks 在一次撞击和一次近距离擦肩而过后，人们开

发表于:2019-02-18 / 阅读(231) / 评论(0)

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学英语单词

actinic degradation

aluminum flakes

aluminum nozzle discharge

anhydrodigitoxigenin

as may be paid thereon