n.a meeting of people to develop mutual understanding by freely expressing emotions
英汉双解大词典
encounter group
1.
N（名词）
a group of people who meet in order to develop self-awareness and mutual understanding by openly expressing their feelings, by confrontation, physical contact, etc 邂逅团体; 会谈时通过自我表达、冲突及肢体接触等来培养自我意识和相互理解的一组人