科学家们在争论一颗小行星是否要撞上地球。
Scientists were debating whether an asteroid was about to hit the Earth.
一颗小行星可能已经把美国毁灭了——而我可能几个小时内都没有听说这个消息。
An asteroid could have annihilated the USA—and I wouldn't have heard the news for hours.
天文学家在距离地球不远处发现一颗小行星，它与地球在同一轨道上围绕太阳运行。
Astronomers have detected an asteroid not far from Earth, moving in the same orbit around the Sun.
应用推荐