1. Sarah is a true extrovert and loves meeting new people at social events.
莎拉是一个真正的性格外向的人，喜欢在社交活动中认识新朋友。

2. As an extrovert, John thrives in environments where he can interact with others.
作为一个性格外向的人，约翰在可以与他人互动的环境中茁壮成长。