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VOA慢速英语:卫生危机显示出对中国医疗用品的依赖性
2020-05-25来源:和谐英语
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pharmaceutical –n. related to the production and sale of drugs and medicines
ingredient(s) –n. materials used to make a food, medicine or similar product
supply chain –n. a network of businesses that provide the materials, manufacturing and services necessary to create the products of an industry for customers in a certain market
tend –v. what often happens