housewarming       
noun [ C ] uk/ˈhaʊs.wɔː.mɪŋ/ us/ˈhaʊs.wɔːr.mɪŋ/ (also housewarming party)
 温居聚会,乔迁聚会
a party that you give when you move into a new house
  We're having a housewarming on Friday if you'd like to come. 我们要在星期五举行乔迁聚会,愿意的话欢迎前来参加。