学个词 Learn A Word:1951 watchdog

　　今天我们要学的词是 watchdog. Watchdog 意思是监督机构。An independent federal privacy watchdog has concluded that the National Security Agency's program to collect bulk phone call records is illegal and should cease. 美国一个独立联邦隐私监督机构得出结论，认为美国国家安全局大量收集电话记录的项目是非法的，应该终止。A consumer watchdog filed a complaint with the U.S. Federal Trade Commission against Google+. 一个消费者权益监督机构向美国联邦贸易委员会投诉Google+。好的，今天我们学习的词是 watchdog, watchdog, watchdog...