MRSA
noun [ U ] medical specialized uk/ˌem.ɑːr.esˈeɪ/ us/ˌem.ɑːr.esˈeɪ/
抗甲氧西林金黄色葡萄球菌（一种大多数抗生素无法杀灭的细菌，methicillin-resistant Staphylococcus aureus的缩写）
methicillin-resistant Staphylococcus aureus: a type of bacterium (= an extremely small organism) that cannot be treated by most antibiotics