penamecillin

例句：

1. 1.The doctor prescribed penicillin for her infection.
   医生给她开了青霉素来治疗感染。
2. 2. Penicillin is an antibiotic that can treat bacterial infections.
   青霉素是一种抗生素，可以治疗细菌感染。
3. 3. Penicillin is a powerful drug that can cure many serious illnesses.
   青霉素是一种强效药物，可以治愈许多严重的疾病。