extraterrestrial

A living being that comes from outside Earth or its atmosphere, such as from another planet; an alien.

1. 1.

   A being originating from outside of the Earth's atmosphere, from space, or from another planet; an alien.

   源自地球大气层外、太空或另一颗行星的生物；外星人。

2. 2.

   a form of life assumed to exist outside the Earth or its atmosphere

   假定存在于地球或其大气层之外的生命形式

源自地球大气层外、太空或另一颗行星的生物；外星人。；假定存在于地球或其大气层之外的生命形式

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