asteroid

UK:  ['æstə.rɔɪd]

US:  ['æstə.rɔɪd]

复数：asteroids  

adj.

1.星状的

2.似紫菀属的

n.

1.流星

2.【天文学】(火星及木星轨道间的)小行星

3.【动物;动物学】海星

4.【物理学】星状曲线

1 . 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。

2 . 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。

3 . 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。

4 . 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。

5 . 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。