engulf       
verb [ T ] uk/ɪnˈɡʌlf/ us/ɪnˈɡʌlf/
 包围;吞没;淹没
to surround and cover something or someone completely
  The flames rapidly engulfed the house. 大火很快吞没了那座房子。 
 Northern areas of the country were engulfed by/in a snowstorm last night. 昨晚一场暴风雪席卷了这个国家的北部地区。 
 The war is threatening to engulf the entire region. 战火有可能会席卷整个地区。