名词 watchdog:

1. a guardian or defender against theft or illegal practices or waste

2. a dog trained to guard property

watcheyen.(尤指狗的)角膜白斑watchv.注视；看守；观看n.手表；监视；看守；值班watchase receiver表匣式受话器watch eagerly for急切地等待watch-glass test表面玻璃试验Watch On The Rhine守卫莱茵河watch-dog agency监察机构watch glass clamps表面皿夹watch-case mould表壳式压模watchkeeping hours守听时间Watch a sunrise.看日出。watch a slide show看幻灯