正文

VOA慢速英语:研究发现新冠病毒英国变种死亡率更高

2021-03-11来源:和谐英语

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Words in This Story

variant –n. something that is different in some way from others of the same kind

significantly –adv. in a way that is large or important enough to be noticed or to have an effect

mutation –n. a change in the genes of a plant or animal that causes physical qualities that are different than normal

oncology --–n. the study and treatment of cancer

replication –n. the process of repeating or copying something exactly