例句 /

Resistant strains are less likely to develop if a single dose or brief course of a β–lactam antibiotic is administered.

Resistant strains are less likely to develop if a single dose or brief course of a β–lactam antibiotic is administered.

大多数常见的病原体为肠道细菌,如大肠杆菌和变形杆菌和假单胞菌。