慢速英语:研究发现新冠病毒英国变种死亡率更高
日期:2021-03-11
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
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