swarm with something        
phrasal verb with swarm verb [ I ] uk/swɔːm/ us/swɔːrm/
 挤满,充满,云集
If a place is swarming with people or things, there are large numbers of them moving around it.
  The garden is swarming with wasps. 花园里到处都是黄蜂。 
 Something must be going on - the streets are swarming with police. 肯定发生了什么事情——街上到处是警察。