penicillin
🇺🇸
/ˌpenɪˈsɪlɪn/
🇬🇧
/ˌpenɪˈsɪlɪn/
A type of medicine made from mold that is used to treat or prevent infections caused by bacteria.
The doctor prescribed penicillin to treat my bacterial infection.
医生开了青霉素来治疗我的细菌感染。