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VOA慢速英语:科学家利用人类细胞复制早期胚胎发育
2021-03-22来源:和谐英语
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ethical – adj. relating to what is right or wrong
defect – n. a problem or fault that makes someone or something not perfect
implant – v. to place something into someone's body in a medical operation
transfer – v. to move something from one place to another
resemble – v. to look like or be very similar to someone or something else