VOA慢速英语:美国第一夫人的影响力

doctorate- n. the highest degree that is given by a university

maternal- adj. of or relating to a mother

glamorous –adj. very exciting and attractive

revile- v. to speak about (someone or something) in a very critical or insulting way

renovate- v. to make changes and repairs to (an old house, building, room, etc.) so that it is back in good condition