慢速英语:美国第一夫人亲临白宫

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fade - v. to become less bright, to lose color

grateful - adj. feeling or showing thanks

symbol - n. an object that represents a particular idea

enhance - v. to increase or improve

sacred - adj. highly valued and important

original - adj. happening first or at the beginning

reception - n. a gathering to celebrate something or to welcome someone

wear and tear - phrase. damage that happens as a result of normal use or aging