VOA慢速英语:机器学习用于预测新冠病毒下一步的进展

artificial intelligence – n. the power of a machine to copy intelligent human behavior

mammal – n. types of animals that feed milk to its young and that usually have hair or fur covering most of its skin

insight – n. the ability to understand what something is really like

occur – v. to happen

species – n. a group of animals or plants that are similar and can produce young animals or plants; a group of related animals or plants that is smaller than a genus

mutate – v. to cause (a gene) to change and create an unusual characteristic in a plant or animal

host – n. a living organism on or in which a parasite lives

domestic – adj. kept at home as a pet and not in the wild