龙头的解释 (1) [head of any group,esp.of gangsters]∶江湖上称帮会的头领 (2) [tap;cock;faucet]∶管道上放出液体的活门 (3) [handlebar of a bicycle]∶自行车的车把 (4) [the first part of mud-rock flow]∶泥石流又叫龙扒...