lactamase英'læktəmeɪs美'læktəmeɪsCOCA³¹⁵¹¹¹⁺⁴ 基本例句 n.生化内酰胺酶 The resistance against this group of antibiotics is due to the ESBL- geneExtended spectrum Beta- lactamase, situated on a mobile piece of DNA in the bacterium. 对头孢噻夫类抗生素的耐药性源于内酰胺酶基因,位于细菌的一段游离 DNA片段中。 www.cvma.org.cn