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单词	penicillinase
释义	penicillinase noun pen·​i·​cil·​lin·​ase ˌpe-nə-ˈsi-lə-ˌnās  -ˌnāz : beta-lactamase specifically : a beta-lactamase that hydrolyzes and inactivates penicillin Word History First Known Use 1940, in the meaning defined above Medical Definition penicillinase noun pen·​i·​cil·​lin·​ase -ˈsil-ə-ˌnās, -ˌnāz  : beta-lactamase specifically : a beta-lactamase that hydrolyzes and inactivates penicillin
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