英语释义

• shaped like a star

• any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)

片语

Asteroid Destroyer行星护卫队

asteroid mound星状丘

asteroid belt[天] 小行星带

Asteroid Dust星际尘埃

binary asteroidA binary asteroid is a system of two asteroids orbiting their common center of mass, in analogy with binary star 243 Ida was the first binary asteroid to be identified when the Galileo spacecraft did a flyby in 1993.

asteroid sizes小行星尺寸

vulcanoid asteroidThe vulcanoids are a hypothetical population of asteroids that may orbit the Sun in a dynamically stable zone inside the orbit of the planet Mercury. They are named after the hypothetical planet Vulcan, whose existence was disproven in 1915.

Apollo Asteroid阿波罗型小行星

asteroid group小行星群

regular asteroid正星形线

英汉例句

• a politician who proposed a campaign of preventing asteroid collisions with earth, for example, would be ridiculed and probably voted out of office.

  举例说，若有政客提议进行一场防范小行星撞击地球的行动，那他将会被人讥笑，还有可能落选。

• these spacecraft can be launched by electromagnetic mass drivers from the moon to the planets, their satellites, and to the asteroid belt.

  这些宇宙飞船通过电磁模块操纵，可以从月球出发，飞往各个行星及其卫星和小行星带。

• so if you「ve ever cowered under your covers at the thought of an asteroid impact, lighten up and try to focus on their scientific importance.

  所以，如果你曾经对天外来客心存恐惧，那么现在请放松自己，把注意力转移到这些小行星的科学价值上来。

• these findings have led to claims that a 2.5mile long comet or asteroid smashed into the ice sheet covering what is now canada and the northern us.

  这些发现得出了这样一个结论，即2.5英里长的彗星或者小行星猛烈撞击了现今加拿大和美国北部覆盖的冰层。

• the asteroid would hit earth in less than a day.

  小行星会在不到一天的时间内撞击地球。

• in these photographs released by nasa september 9, 2010, a fleeting bright dot on each of these images of jupiter marks a small comet or asteroid burning up in the atmosphere.

  这是美国航天局于2010年9月9日发布的两张照片，照片中的亮点是小彗星或小行星进入木星大气层时发生燃烧的情景。

• the central idea behind a space elevator involves lowering a cable -- perhaps constructed from asteroid material -- from geostationary earth orbit to the surface of the earth.

  太空升降机背后的核心理念包括降下一根电缆--也许是由小行星材料制成的，--从对地静止轨道到地球表面。

• in one sense, spotting the incoming asteroid was a triumph, because it demonstrated that astronomers can detect even a small projectile heading our way.

  从某种意义上说，发现来袭的小行星是一个胜利，因为这表明，天文学家甚至可以检测出飞向我们的微小天体。

• find evidence of asteroid mining: humans are already looking at the asteroids in our solar system and considering their potential for mining, so why wouldn’t an alien civilization do the same?

  找到小行星采矿的证据：人类已经开始查看我们太阳系中的小行星，考虑在上面采矿的可能性。那么为何外星文明不会做同样的事呢？

• one will attempt to push the asteroid off its course while the second will collect valuable data from the impact.

  其中一架将尝试把一个小行星推出其运行轨道，另一架将收集关于碰撞效果的有效数据。

• astronomers have detected an asteroid not far from earth, moving in the same orbit around the sun.

  天文学家在距离地球不远处发现一颗与地球绕日轨道相同的小行星。

• an asteroid could have annihilated the usa – and i wouldn’t have heard the news for hours.

  可能有个小行星已经把美国毁灭了，而我只能在数小时后得知这个消息。

• because a few dozen of the meteorites that have fallen to earth come not from the asteroid belt but from mars.

  因为有几十块落入地球的陨石不是来自于小行星带，而是直接来自火星。

• like a frozen asteroid belt, it’s littered with chunks of ice and frozen methane and ammonia.

  象一个冰冻的小行星带一样，它的上面布满冰柱及凝固的甲烷及氨。

• they caution that no one knows how asteroid material would respond to such a blast.

  他们警告说，没有人知道对于这样的爆炸，小行星的物质会发生何种反应。

• moving on through the asteroid belt we enter the realms of the gas giant planets: jupiter, saturn, uranus and neptune, all of which dwarf the earth.

  穿过小行星带继续前进，我们进入了气体巨行星区域：木星、土星、天王星、海王星，所有这些都使地球看起来像个侏儒。

• sans wheels, which were needed for last year’s simulations to the surface of the moon, the vehicle could be transformed for asteroid exploration by mounting it on a flying platform, says nasa.

  美宇航局说，这个太空探索车是去年月球表面太空模拟的必备工具。这一工具可以改造一下，安装在一个飞行平台来适应小行星探索。

• this contradicts previous ideas which suggest the impact of the asteroid actually precipitated a period of glaciations, gostin says.

  这与早先认为的小行星的撞击实际上加速了结冰期的来临这一说法相矛盾。

• however, there’s still a tiny chance it will hit in 2036 or 2068—depending on the exact route the asteroid follows during its next pass near earth.

  不过，它仍然存在一个微小的机会可能在2036年或2068撞击地球，这取决于这颗小行星在未来经过地球时的确切路线。

• the asteroid blew up with the energy of the largest hydrogen bombs ever detonated on earth, vaporizing the desert and unleashing deadly supersonic winds for many miles.

  小行星爆炸释放的能量相当于地球上有史以来最大的氢弹爆炸的能量总和，使沙漠蒸发，并在许多英里内引起了致命的超音速风。

• look at the movies that we see all the time. it」s easy to imagine the end of the world. an asteroid destroying all life and so on.

  瞧瞧那些我们一直在看的电影，要想像世界末日那是很容易的事，比如一个小行星毁灭了所有生命之类的。