单词:orbital width
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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
UNIT TWELVE [00:15.99]What letter is this?Picture 1. [00:23.54]What letter is this,Tony.It is B.Picture 2. [00:37.28]What number is this? It is eight.Picture 3. [00:51.15]What shape is this? It is a square.Picture 4. [01:03.87]What shape is this? It
Volume 体积 Volume is how much space something occupies. 体积是指某一物体所占的空间。 In this case, space consists of three dimensions, length, width and height. 这样的话,空间由长、宽和高这三维组成。 Volume is pres
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
Grief can drive people to extraordinary lengths. 语音讲解: 1.grief /gri?f/ 2.lengths/le?s/ 词汇讲解: 1.grief-grieve relief(放松),grief(悲痛) 是名词 relieve(使.放松),grieve(使.悲伤) 是动词 His grief was etch
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
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
哥哥的心愿 A friend of mine named Paul received an automobile from his brother as a Christmas present. On Christmas Eve when Paul came out of his office, a street urchin was walking around the shiny new car, admiring it. Is this your car, Mister
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
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
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
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
黄金一直是高品质、美丽和财富的象征。称某种东西为金质的意味着它具有很高的质量和价值。今天我们通过例子来学习一下和golden有关的习语英语词汇吧~ 1.the golden rule 金科玉律;指导原则
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
Dentists and researchers have come up with the formula for the perfect smile, from the size and width of each tooth to the curve, colour and shape of the teeth, and the overall width of the smile. 牙医和研究学者已经研究出完美笑容秘诀,
Only in the agony of parting, do we look into the depths of love. 语音讲解 单词发音 agony n.苦恼;极大的痛苦;临死的挣扎 parting n.分手;分离;分界点 depth n.(海洋)深度;深奥 连词发音 only in the agony of 轻读
在英语学习中,how与what是很常用的,在许多情况下,两者用法极为相似,只是句型结构稍有不同。 在许多情况下,两者用法极为相似,只是句型结构稍有不同: 1. 两者均可用来引出感叹句,
Lana measured Stubway's foot long sandwich. It didn't measure up. It was 11 inches long. She measured her friend's foot long. It was a tad longer, at 11.5 inches. For the next three months, Lana measured Stubway's sandwiches. She got her Facelook fri
How vain and foolish, then, thought I, 于是,我心里想, for timid untravelled man to try to comprehend aright this wondrous whale, by merely poring over his dead attenuated skeleton, stretched in this peaceful wood. 那些足不出户的胆小鬼