extraterrestrials造句
It may have been the closest that humankind has ever come to encountering
extraterrestrials.
这可能是人类最近地遇到外星球生物.
I figured why search for
extraterrestrials when you can help with research?
当你可以帮助科学研究时,为什么要寻找外星生物 呢 ?
The existence of
extraterrestrials is just hypothesis.
有外星人的说法只是一种假定.