antibiotic

Finish the full course of antibiotics, even if you feel better.即使你感觉好些了，也要完成整个疗程的抗生素。

Overuse of antibiotics has led to the emergence of resistant strains of bacteria that are difficult to treat.抗生素的过度使用导致了耐药菌株的出现，这些菌株很难治疗。