dextromycin

例句：

1. 1. This antibiotic is effective against many types of bacteria, including the dangerous ones that cause infections inhumans.
   这种抗生素对许多类型的细菌有效，包括那些引起人类感染的有害细菌。
2. 2. The doctor prescribed dextromycin for my friend's severe infection.
   医生给我的朋友开了左旋霉素来治疗他的严重感染。
3. 3. Dextromycin is often used to treat bacterial infections in animals, such as horses and pigs.
   左旋霉素通常用于治疗动物中的细菌感染，如马和猪。