gregarious

他性格开朗外向，总是第一个在聚会上活跃气氛。

He is a ___gregarious guy who always breaks the ice at parties.

蜜蜂是群居昆虫，它们共同生活在蜂巢中。

Bees are ___gregarious insects that live together in hives.

他爱社交的天性让他在每个公交站和超市排队时都能和陌生人聊起来。

His ___gregarious nature drew strangers into conversation at every bus stop and grocery line.