subordinateadj.下级的；次要的n.属下；附属物vt.使服从；把 ... 放在次要subordinatedadj.次级的；从属的动词subordinate的过去式和过去分词.

1. The operation, called Operation Icefall, was led by officers from the Metropolitan police's clubs and vice unit.
   这个名为雪球行动的清理行动，由首都警察俱乐部及其附属单位发动。