标签：Surface 相关文章
EXPLORATIONS - Ancient Martian Conditions Could Have Supported Life From VOA Learning English, this is EXPLORATIONS, in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we report on recent scientific findings about the planet Ma
2013年VOA慢速英语(三)月
Yes,that's right,they've already seen in some parts of the wetlands here,the more remote islands that some of that sheen on top of the water is coming ashore and affecting some of the islands on the uttermost parts of wetlands.The real fear is that h
万花筒2010年
Astronauts Train Underwater for Deep Space Missions 宇航员为太空旅行做水下实验 Manned deep space missions are still a long way off, but space agencies are already testing procedures, equipment and human stamina for operations in extreme
VOA标准英语2015年(八月)
Lesson 71 Television Day: Moonflight TV Commentary: Last week we recorded this interview with one of the astronauts who had returned from a recent moonflight. We asked him tc tell us what he had done and what he had seen. We asked him what it was lik
朗文3L看听学英语第四册
Iran's state media says the country has successfully test launched a mid-range surface-to-surface missile that can reach Israel, southeastern Europe and U.S. bases in the Middle East. This image made from television broadcast Wednesday, 20 May 2009
VOA标准英语2009年(五月)
Kenya Moves Full-Steam Ahead on Geothermal Production Kenya is expanding plans to become one of the worlds top geothermal power producers with the start of explorations at a site called Menengai. The government is also aiming to make geothermal Kenya
VOA标准英语2011年(十一月)
ESA Spacecraft to Land on a Comet 欧洲航天局探测器登录彗星 After a long flight through deep space, a European Space Agency probe is finally approaching its target - a comet millions of kilometers away from earth. Scientists say the missio
VOA标准英语2014年(七月)
China's first Mars voyager mission is expected to be launched around 2020 and reach the Red Planet a year or so later. The computer generated images unveiled by the Chinese State Administration of Science, Technology and Industry for National Defense
2016CRI中国国际广播电台
Like these sea fans, the last frontier of life on the reef. The divers reach their target-- a massive ridge, 190 feet down. Here, the air they are breathing is under pressure, squeezed down so that there's more gas in every lungful. They have to hope
自然百科2011年
They wont be strong enough to challenge for females until they are five years old. Til that day, they will regularly hone their sparring skills. They will stay with the group until they mature. During the long winter chill, Lake Baikal transforms fro
自然百科2011年
When Galileo took a closer look at Europa, the picture changed. Europa is a fascinating object. If you imagine descending onto a world that looks every place like the frozen ways of the Arctic and the Antarctic, youll get a pretty good impression of
自然百科2012年
Don: It's time once again for one of those Moments of Science that we like to call Never Thought to Ask.Our never thought to ask question for the day is: Why is the earth round? Ya?l: Why is the earth round? I never thought to ask that. D: Of course
英语时差8，16
This spiritual ambition and mastery of nature could be fundamental to the creation of Stonehenge. This is clearly the best view we ever have of Stonehenge from above. You can see the other parts of the monument, things like the ditch, which run aroun
探索与发现2015年
Recently at a site only two kilomtres to the southeast, archaeologists have unearthed the first traces of people living in the same period. It's a find that may finally answer why stonehenges located where it is. Here is the section through one of th
探索与发现2015年
今天我们要讲的习惯用语里都有一个主要的单词：scratch。很多人都知道scratch这个词的意思是抓、或者刨刮表面。你要是给蚊子叮了一口，你就会这样做：scratch your skin with your fingernails。就是你
美国习惯用语
Li Weiqi, a 40-year-old auxiliary traffic police officer from Hangzhou's West Lake detachment of the Traffic Management Bureau, said he noticed something weird about the road surface of the intersection where he was on duty on April 21. When I walked
2016CRI中国国际广播电台
STEVE INSKEEP, HOST: To reach the latest news about our solar system, you have to travel out to Pluto, really far from the sun. And then you travel about a billion miles more. That's what a spacecraft has done. And now it's about to get a look at a m
2018年NPR美国国家公共电台12月
Moreover, the moon then disappeared and left us in profound darkness. We had to wait for daylight to find some way of getting inside this underwater boat. 而且这时，月亮又消逝了，我们是在一片深沉的黑暗中。只好等到天亮，才
《海底两万里》中英双语有声读物
台湾籍旅美老师今天交给我们的句子是： In fact, a black hole with the diameter of a nickel would be slightly more massive than the Earth. It would have a surface gravity a billion billion times greater than our planet currently does. 事
留美老师带你每日说英文
By bending arms and legs or angling her bodypresenting more or less surface area to the groundshe can change her rate of fall, slowing or speeding up her terminal velocity around ten or twenty miles per hour. To fall as fast as two hundred miles per
英语时差8，16