extraterrestrial
Longman Dictionary of Contemporary English 5++LDOCE 5++ex·tra·ter·res·tri·al1 /ˌekstrətəˈrestriəl◂/ noun [countable] TTSa creature that people think may exist on another planet 外星生物extraterrestrial2 adjective HArelating to things that exist outside the Earth 地球外的；宇宙的；外星的
Examples from the Corpus
extraterrestrial• extraterrestrial exploration• And Morphix, the extraterrestrial game-show host, sometimes disappears, leaving only a piece of himself on screen.• So as the Moon beams down on you this Christmas take it as an extraterrestrial greeting for a happy 1983!• And some clues emerged to the motives of the group that seemed focused on reaching for an extraterrestrial haven.• Maybe the reason scientists have yet to receive signals from extraterrestrial intelligence is because there isn't any extraterrestrial intelligence sending signals.• Since the first acceptance of meteorites as extraterrestrial material in the early 1800s, three major classes of meteorites have been recognized.• Since none of these meteorites had been observed to fall, proof of their extraterrestrial origin was impossible.• These in turn tend to point to extraterrestrial phenomena.ex·tra·ter·res·tri·al1 nounextraterrestrial2 adjectiveChineseSyllable
another that think a creature may people Corpus on exist
extraterrestrial
ex‧tra‧ter‧res‧tri‧al1 /ˌekstrətəˈrestriəl◂/ 
noun [countable]
a creature that people think may exist on another planet
extraterrestrial2 adjective
relating to things that exist outside the Earth
| I |
noun [countable]a creature that people think may exist on another planet
| II |
adjectiverelating to things that exist outside the Earth