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慢速英语:口服疫苗引起更多的脊髓灰质炎病例

Source: 恒星英语学习网    2019-11-28   English BBS   Favorite  
Words in This Story

oral – adj. of or relating to the mouth

paralyze – v. to make a person or animal unable to move or feel all of part of the body

eradicate – v. to eliminate or destroy something harmful

dose – n. the amount of a medicine, drug, or vitamin that is taken at one time


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