VOA慢速英语:美国批准转基因猪用于食品和医药

modify – v. to change a part of something without changing other parts

allergic – adj. having an allergy, a medical condition that causes someone to become sick after coming into contact with something that is harmless to most people

cosmetics – n. something put on the face to improve a person's appearance

notice – n. a written statement that brings attention to something

label – v. to put writing on something to identify what it is and provide additional information

slaughter – v. to kill an animal for food

transplant – v. a medical operation in which an unhealthy organ is replaced with a healthy one