迎新联欢会: welcome party party to welcome the newcomerswelcome party; party to welcome the newcomers
后台: 1.(舞台后部) backstage; background; greenroom2.(背后操纵和支持的人) backstage supporter; behind-the-scenes backer 短语和例子后台很硬 have very strong backing; 他才是这次勒索案的后台。 he was the string-puller behind the sc
