Instead, the culprit for resistance appears to be an earlier, and chemically related antibiotic: penicillin.

相反，耐药性的来源似乎是更早的、与化学相关的抗生素：青霉素。

26. Like, to produce the antibiotic penicillin, the drug company grows the fungus Penicillium.

比如为了制造抗菌的盘尼西林，医药公司会培育盘尼西林菌群。

When scientist Alexander Fleming mistakenly contaminated a Petri dish in the lab, it led to the discovery of the first antibiotic, penicillin.

当科学家亚历山大· 弗莱明 ( Alexander Fleming)错误地污染了实验室中的培养皿时，导致了第一种抗生素青霉素的发现。