Someone who is extrovert is very active, lively, and friendly.
例句
...his extrovert personality.他外向的性格
英汉词典释义
n.
性格外向的人
Extrovert prefer lively conversation to brood on the meaning of life.性格外向的人喜欢高谈阔论,而不愿思索人生的意义。She’s a good person to invite to a party because she’s such an extrovert.最好把她邀来参加聚会,因为她很爱交际。
英英词典释义
Noun
1. (psychology) a person concerned more with practical realities than with inner thoughts and feelings