extraterrestrial

adj.

地球外的，地球大气圈外的；

n.

外星人；

复数：extraterrestrials

extraterrestrial intelligence地外智慧生物，外星人

extraterrestrial being (et)外星人

extraterrestrial being (ET)外星人

1. They claimed that they had been in contact with extraterrestrial beings.
   他们声称在同外星人保持联络。
2. Extraterrestrial life has often become the subject of science fiction films.
   科幻片经常以外星生命为主题。

1. The extraterrestrial would say we all speak dialects of one common language.
   这位外星人会觉得，我们都在讲一种语言中的不同方言。

Extraterrestrial Organic Compounds in Meteorites
Extraterrestrial Cause for the Cretaceous-Tertiary Extinction
EXTRATERRESTRIAL CAUSE FOR THE CRETACEOUS-TERTIARY EXTINCTION: EXPERIMENT AND THEORY
Evidence for Extraterrestrial Amino-acids and Hydrocarbons in the Murchison Meteorite
Evidence for high-energy extraterrestrial neutrinos at the IceCube detector
Isotopic evidence for extraterrestrial non-racemic amino acids in the Murchison meteorite
The 2010 challenge: data availability, information needs and extraterrestrial insights
Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling
Resistance of Bacillus endospores to extreme terrestrial and extraterrestrial environments.
Impact event at the Permo-Triassic boundary: evidence from extraterrestrial noble gases in Fullerenes