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VOA慢速英语:科学2018：基因编辑，私人太空旅行上榜

2018-12-24来源:和谐英语

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Words in This Story

edit – v. to make changes to something, such as a piece of writing, by adding or removing parts of it

DNA (deoxyribonucleic acid) – n. a substance that carries genetic information in the cells of plants and animals

executive – n. a person who supervises or directs other people in a company or organization