asteroid
美 [ˈæstəˌrɔɪd] 
英 ['æstə.rɔɪd]
词形变化
复数：asteroids
英汉双解
1. | 小行星any one of the many small planets that go around the sun |
英汉解释
英英解释
例句
It came out of the clear, blue sky - just like an asteroid.
这[消息]是从晴朗的蓝天而来-如一颗小行星般。
A small fraction of the rocks blasted off Mars by asteroid or comet impacts could have reached Earth in just a few years.
小行星或彗星在撞击火星时，所轰出的岩石之中，有少数可以在仅仅数年之内就抵达地球。更详细。
Noise proves nothing. Often a hen who has merely laid an egg cackles as if she had laid an asteroid.
噪声不能证明什么。母鸡产下一只蛋，往往大声啼叫，好像产下小行星似的。
The spacecraft hovers near the asteroid, with its thrusters angled outwards so that the exhaust does not impinge on the surface.
太空船靠近小行星盘旋，它角度向外的使用它矫正舱身的火箭排气，不直接撞击小行星表面上。
That means an asteroid made of iron or frozen water suddenly becomes a resource that can be mined and used for space exploration.
那意味着一颗由铁或冻结的水组成的小行星突然成为一种可以为探索宇宙而开采和使用的资源。
A carefully selected asteroid with the right density and strength could be hollowed out for an underground base to be established.
一个精心挑选合适的小行星密度和力量可以挖了一个地下基地。
The advantage of such a "gravitational tractor" , as Dr Lu has dubbed it, is that it is more likely to leave the asteroid intact.
鲁博士将其称之为“重力牵引器”，其优势在于极有可能将小行星完好无损地撵走。
Before the terrorist attacks on the US, this number was also attached to a type of porsche and a trojan asteroid that orbits the sun.
在美国遭遇恐怖袭击前，911就已经是保时捷的一个系列了，环绕太阳轨道运行的特洛伊小行星轨道号。
It (an asteroid) dust up into the atmosphere, and the dust stayed there for so long that the vegetation died off and the dinosaurs with it.
它（小行星）使尘埃冲上大气层，久久地笼罩着天空，植物死去了，恐龙也都灭绝了。
If that asteroid were to suddenly become as big as a moon, it would indeed rearrange itself gradually into a sphere.
如果一个小行星突然变得和月亮那么大，那它将会逐渐重新调整自己最终成为一个球型。
As I'm sure you know, we found that there was a moon orbiting around an asteroid, first time ever that was suspected.
我相信你知道我们已经观测到一个月亮正在围绕一个小行星运转。
Its position in the sky makes it a so-called Trojan asteroid - a type previously detected only at Jupiter, Neptune and Mars.
它在天空的位置使其被称为特洛伊小行星——此前仅在木星、海王星和火星探测到的一种类型
Astronomers have long thought that the asteroid belt is being ground down through collisions, but such a smashup has never been seen before.
长期以来天文家们推测小行星带会因为碰撞而粉碎但类似的景象以前从未被观测到。
Asteroids are minor planets, most of which circle the sun in a region known as the asteroid belt, between the orbits of Mars and Jupiter.
小行星是较小的行星，它们中的大部分在火星和木星轨道间的小行星带中环绕太阳运行。
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。
Navigate asteroid belts and prepare to fight for your life or to the death against the galactic invaders.
导航的小行星带，并准备去争取你的生活，或者死亡对银河系的侵略者。
Of course, in the event of a disaster big enough to wipe out all humans, such as a colossal asteroid strike, it would not really matter.
当然，万一遭到一次足以毁灭全人类的灾难，例如行星撞地球，这个问题将会无关紧要。
If they were, it might make sense to go on to an asteroid or one of the moons of Jupiter, but they're not.
如果是的话，那么他们继续向小行星、或者木星的卫星派出探测器还有些意义。但他们并不是。
Dodge being hit in an asteroid belt, and get ready to land as you approach a deserted moonscape.
道奇被击中的小行星带，并准备好土地作为你的方法一个荒芜的月球表面。
He was an early proponent of the theory that life on Earth may have come from Mars in rocks ejected by asteroid and comet impacts.
他是这项理论早期的支持者：地球生命也许来自火星，通过小行星和彗星冲撞而由岩石喷射而出。
When an astronomer discovers one of these he does not give it a name, but only a number. He might call it, for example, "Asteroid 325. "
当一个天文学者发现了其中一个星星，他就给它编上一个号码，例如把它称作“325小行星”。
Although very tiny, each photon carries a small amount of momentum away from the asteroid, giving it a tiny kick.
尽管非常微弱，但每一个光子都携带着微量的动量离开小行星，给小行星形成一种微弱的反冲。
Another way, in which life could fail to develop to an intelligent stage, would be if an asteroid or comet were to collide with the planet.
从另一方面考虑，生命未能发展到具有智能的阶段，是否可能是小行星或彗星与行星发生了碰撞。
After a year of studying Vesta, Dawn is scheduled to leave orbit and, in 2015, approach the only asteroid-belt object that is larger: Ceres.
一年后，黎明号探测器将离开灶神星的轨道，计划在2015年到达谷神星，它是小行星带中唯一一颗比灶神星大的小行星。
At first, astronomers thought it might be a so-called "main belt comet" --a rare case of a comet orbiting in the asteroid belt.
起先，天文学家们认为这种景象不过是所谓的“主带彗星”——即较为少见的轨道在小行星主带内的彗星。
If that turns out to be from an asteroid impact, it would be the largest crater found on Earth. Ever.
如果这是由行星撞击所形成，毫无疑问，它将是地球上最大的陨石坑。
"In the case of a planet, the hole is carved out by an asteroid or comet impact. "
“对于行星，这个洞就是由小行星或彗星碰撞打开的。”
DOUG JOHNSON: Professor Drake says another way to move the asteroid would be to paint one side of the dark rock white.
道格约翰逊：德雷克教授说，另一种方式来移动小行星将画一个白边的黑色岩石。
and this was the asteroid that left the telltale Iridium and finished off the dinosaurs.
这就是那颗留下铱和使得恐龙绝迹的游星。
A can-sized robot MINERVA that was scheduled to hop around the asteroid's surface has not, so far, functioned as hoped.
原先被设定在小行星表面跳跃前进的只有罐头大小的密涅瓦机器人迄今为止并没有像所希望的那样正常工作。
with the mystery of sudden fall in the general asteroid, known as the "Jian demon" monster.
1604年，随着突然坠落谜一般的巨大陨石出现了称为「剣妖」的怪物。
Like, over a mile bigger, since a metallic asteroid that size would be worth an absolutely staggering amount of money.
比一英里还大些，因为这个大小的金属小行星绝对价格惊人。
The find provides support for the theory that Earth's water could have been delivered as ice by an asteroid.
有理论认为地球上的水可能是由其它小行星以冰的形态运送而来，如今的这一发现为该理论提供了有力佐证。
A large asteroid hit Earth's surface some twelve million years ago, causing enough dust to rise to block the heat of the sun.
大约十二百万年以前，一个巨大的小行星撞击在地球表面，足够的尘土飞起阻挡了太阳的热量。
Some 65 million years ago, a comet or asteroid at least five miles wide struck the earth and blasted out a tremendous crater.
大约6500万年前，一颗宽至少5英里的彗星或小行星撞上了地球，并在地表炸出了一个大洞。
Any moving object, like an asteroid, comet or planet, would appear to jump from one photograph to the next.
任何运动天体，比如流星，彗星或者行星，（在一组照片中）看起来将会像是从一张照片跳到下一张。
"If you think it is hard to get humans to follow traffic laws, " we read, "imagine convincing an asteroid to move along an ellipse. "
“要是你觉得仍人们遵守交通法规困难的话，”书中写道：“试想一下让小行星沿着椭圆轨道运行。”
the bodies in the asteroid belt would have also agglomerated into a planet if not for the disturbing influence of Jupiter's gravity.
若不是木星重力的干扰，小行星带里的天体也会集块形成行星。
The hemisphere of the asteroid facing away from the sun will radiate the stored solar heat into space, so infrared photons will be emitted.
这离开阳光照射的半球的表面将会把存储的太阳热能辐射到太空，因而散发出红外光子。
In the movies, a bomb is usually the most effective way of stopping an asteroid from wiping out life on Earth.
在电影里，一颗炸弹通常是最有效阻止彗星撞地球毁灭一切生命的办法。
