VOA慢速英语:Dispute About Genetically Engineered Rice

modify – v. to change some parts of something while not changing other parts

deficiency – n. a lack of something that is needed

consist – v. to have something as an essential or main part

herbicide-tolerant – adj. the natural ability of a species or plant to survive and reproduce after chemical treatment is used to destroy or stop growth

insect-resistant – adj. not easily harmed or affected by insects

patent – n. an official document that gives a person or company the right to be the only one that makes or sells a product for a certain period of time

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