VOA慢速英语:愤怒的特朗普退出了与民主党的会晤

infrastructure - n. the basic equipment and structures (such as roads and bridges) that are needed for a country, region, or organization to function properly

circumstance - n. a condition or fact that affects a situation

phony -adj. not true, real, or genuine

steamed off - phrasal verb To leave in a very angry way.

engage in - phrasal verb. to do (something)