在过去的50年里，科学家们已经收察超越我们的星球的卫星星号。希望可以得到一些外星人生活的信息。

For the past 50 years, scientists have scoured the skies for radio signals from beyond our planet, hoping for some sign of extraterrestrial life.

youdao

在过去的50年里，科学家们已经收察超越我们的星球的卫星星号。希望可以得到一些外星人生活的信息。

For the past 50 years, scientists have scoured the skies for radio signals from beyond our planet, hoping for some sign of extraterrestrial life.

youdao