VOA慢速英语:专家称新冠限制措施要等来疫苗才会结束

armor - n. a hard covering that protects something (such as a vehicle or an animal)

immunize - v. to give (someone) a vaccine to prevent infection by a disease

unconsciously - adv. not aware of something

scenario - n. a description of what could possibly happen

response - n. something that is done as a reaction to something else

symptom - n. a change in the body or mind which indicates that a disease is present

herd - n. a large group of people

transmission - n. the act or process by which something is spread or passed from one person or thing to another