VOA慢速英语:新药在治疗肺癌、前列腺癌、结肠癌方面有很大的不同

advanced – adj. having developed more than others

defects – n. a physical problems that cause something to be less valuable, effective, healthy, etc.

hormones – n. natural substances produced in the body that influence the way the body grows or develops

insurance – n. an agreement in which a person makes regular payments to a company and the company promises to pay money if the person is injured or dies, or to pay money equal to the value of something such as a house or car if it is damaged, lost, or stolen

mutation – n. a change in a gene or the resulting new trait it produces in an individual

nails – n. the hard coverings at the end of fingers or toes; fingernails or toenails

pill – n. a small, rounded object that you swallow and that contains medicine, vitamins, etc.

tumor – n. a mass of tissue found in or on the body that is made up of abnormal cells