慢速英语:美国研究表明阿斯利康疫苗对各年龄段均有效
日期:2021-03-23
Words in This Story
previous – adj. : existing or happening before the present time
excite – v. to cause feelings of enthusiasm in (someone)
confidence – n. a feeling or belief that you can do something well or succeed at something
inflammation – n. a condition in which a part of your body becomes red, swollen, and painful
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