VOA慢速英语:越南面临新一轮新冠病毒感染

outbreak –n. the sudden appearance of an infectious disease or conflict

test positive –v. to have a medical test find evidence of a disease

lockdown –n. a situation in which people are told to stay in their homes for security reasons

quarantine –n. keeping a person apart from others in an effort to stop the spread of an infectious disease

strain –n. one of several kinds of closely related organisms

smuggling –n. to move people from one country to another illegally or secretly