和谐英语

VOA慢速英语:New Antibiotic Found in Human Noses

2016-08-15来源:VOA
Words in This Story

antibiotic – n. a drug used to kill harmful bacteria or infection

bacterium – n. any one of a group of small living things that often cause disease

pathogen – n. something, like bacteria, that causes disease

microorganism – n. an extremely small living thing that can only be seen with a microscope

cultivable – adj. relating to something that can be grown

mutation – n. a basic and significant change