n a person who comes from a foreign country; someone who does not owe allegiance to your country
n anyone who does not belong in the environment in which they are found
n a form of life assumed to exist outside the Earth or its atmosphere
v transfer property or ownership
v arouse hostility or indifference in where there had formerly been love, affection, or friendliness
n. 外国人( alien的名词复数 ); 外侨; 局外人; 外星人