1. He is segregative, but his brother is sociable. 他不爱交际，但他兄弟是好交际的。
2. Sociable people, those who like to be with others, like red. 爱社交的人，也就是喜欢和别人在一起的人，喜欢红色。
3. Tree People are sociable and like to make others feel at ease or welcomed. 树人是很友善的，喜欢让别人感到自在或者受欢迎。
英英解释
n.
1. a party of people assembled to promote sociability and communal activity
2. inclined to or conducive to companionship with others
3. friendly and pleasant
