penicillin

The discovery of penicillin revolutionized medicine by allowing doctors to treat previously fatal infections.

(Chinese) 青霉素的发现彻底改变了医学，使医生能够治疗以前致命的感染。

The nurse asked if I had any allergies to penicillin before giving me the injection.

(Chinese) 护士在给我注射前询问我是否对青霉素过敏。