和谐英语

新冠病毒的新变种会不断出现吗?

2021-11-02来源:和谐英语
Words in This Story

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

mutate v. to cause (a gene) to change and create an unusual characteristic in a plant or animal

infinite – adj. having no limits

response n. something that is done as a reaction to something else