지구 또는 지구의 대기권 밖에서 발생하거나 존재하는.
Originating, existing, or occurring outside the Earth or its atmosphere.
예문:
"Astronomers are scanning the galaxy for signs of extraterrestrial radio signals."
"The meteorite contained organic compounds that suggested an extraterrestrial origin."
지구 이외의 행성에서 온 지적 생명체나 가상의 존재.
A being, especially an intelligent one, that originates from a place outside of Earth.
예문:
"Many science fiction novels depict the first contact between humans and extraterrestrials."
"The government denied having any evidence of captured extraterrestrials."