今天我们要学的词是 watchdog. Watchdog 作为名词，有监督者的意思。An ethics watchdog group claimed that President Donald Trump is violating the Constitution by accepting payments from foreign governments. 一个伦理道德监督团体表示，美国总统川普接受外国政府付款违反了宪法。A U.S. government watchdog warned that the federal debt is unsustainable and Congress needs to bring it under control. 美国一个政府监督机构警告说，美国联邦负债无法支撑，国会必须使其得以控制。好的，我们今天学习的词是 watchdog, watchdog, watchdog...