Definition: a medicine which cures infections by destroying harmful bacteria Level: C2
他因耳部感染正在服用抗生素。
He is on ___antibiotics for an ear infection.
尽管可能有副作用，抗生素对于对抗细菌感染至关重要。
Despite potential side effects, ___antibiotics are essential for fighting bacterial infections.
这种新抗生素对耐药菌株非常有效。
This new ___antibiotic is highly effective against resistant strains of bacteria.
