慢速英语:欧盟称阿斯利康疫苗与血栓病例增加无关
日期:2021-03-19
Words in This Story
option - n. a choice or possibility
circulate - v. to move from group to group
variant - n. a virus that is different in someone than the other
emerge - v. to become known
confidence - n. feeling or belief that something is good
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