慢速英语:越来越多美国人愿意接种疫苗
日期:2021-05-12
Words in This Story
challenge –n. a difficult task or problem; something that is hard to do
probably –adv. something that is likely to happen
definitely –adv. without doubt; in a way that is sure or clear
dose – n. the amount of a medicine, drug or vitamin that is taken at one time
confidence –n. a feeling of being sure that something will happen or that something is true
conversation –n. an informal talk involving two or a small group of people
authorized –n. to give legal or official approval
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