医生给他开了青霉素来治疗肺炎。
The doctor gave him ___penicillin to treat his pneumonia.
他必须告诉医生他对青霉素过敏。
He must tell the doctor that he's allergic to ___penicillin.
医生给我开了盘尼西林,这是从青霉菌中提取的抗生素。
The doctor prescribed me ___penicillin, an antibiotic derived from the mold.