icebreaker
n.破冰船；使气氛活跃的东西，打破僵局的东西
网络解释.破冰船；入门；入门英语；碎冰船
双语例句
1. 1 . An annual freshman icebreaker called " Dickerella, " in which women and men pair off for trips to a local burger Joint named Dick's, has become a farce.
一年一度使新生气氛活跃的活动叫 “ 迪克莱拉 ”, 在活动中男女生配成对一起到当地一个汉堡包快餐店去就餐, 这项活动已经成了滑稽的事.
来自《简明英汉词典》