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慢速英语:辉瑞公司研究以色列的新冠病毒疫苗接种运动

Source: 恒星英语学习网    2021-02-14   English BBS   Favorite  
Words in This Story

variety –n. a number or collection of different things or people

conclusion –n. a final opinion or judgement

strain –n. a group of closely related living things

dose –n. the amount of medicine or vaccine needed to cure or help a condition

contagious –adj. able to be passed from one person or animal to another

endemic –n. common to a place


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