•I'm taking antibiotics for a throat infection.因为喉咙发炎我正服用抗生素。

•a one-month course of antibiotics一个月疗程的抗生素

•Some types of antibiotic are used to promote growth in farm animals.某些种类的抗生素用于促进牲畜的生长。

•He's on antibiotics for an ear infection.他耳朵发炎，正服用抗生素。