单词：earth shielded
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September Equinox 秋分 We have an equinox because an imaginary plane extending outward from Earth's equator isn't the same as the plane of Earth's orbit around the sun. Learn more about today's equinox -- on Earth and Sky.. JB: This is Earth and Sky
(科普英语)Earth and Sky
Participants at the United Nations Climate Change Conference in Cancun, Mexico are complaining about long delays amid heavy security. Some environmental activists say they are being kept well away from conference sites, and when a group tried to stag
VOA标准英语2010年(十二)月
It's hard to admit that I need help, but I do. For 45 days from the end of December to early February, I was in inpatient therapy receiving guidance for the issues I'm facing. I have a long way to go. But I've taken my first steps in the right direct
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LOS ANGELES, June 24 (Xinhua) -- Near-Earth asteroid 2011 MD will whip past Earth on June 27, but will not pose any threat, NASA's Jet Propulsion Laboratory (JPL) said on Friday. The asteroid will pass only 12,000 kilometers (7,500 miles) above the E
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电梯故障 Elevator Accident 本杰明下班回家，遇到了小小的电梯故障，他会因这次故障发表怎样的感慨呢？让我们来洗耳恭听吧！ Listen Read Learn Benjamin: That was really a nightmare! Shirley: Honey, what's up? Benjamin: I was stuck between 15th and 16th flo
英语口语大赢家
BEIJING, June 28 (Xinhuanet) -- A truck-sized asteroid passed over the Atlantic Ocean within 7,500 miles of the Earth on Monday, according to NASA's Jet Propulsion Laboratory. The space rock, called asteroid 2011 MD, is the second space rock to zip e
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