预防

预防

"预防" means "to prevent" or "precaution."

In this sentence, '预防' is used as a verb to denote the action of preventing something undesirable, e.g., an illness.

我们需要采取措施来预防疾病。

We need to take measures to prevent illness.

Here, '预防' acts as a noun within the phrase '预防火灾,' emphasizing the concept or act of fire prevention.

预防火灾是每个人的责任。

Preventing fires is everyone's responsibility.

In this instance, '预防' serves as a verb illustrating proactive measures to avert the spread of disease.

医生建议我们接种疫苗以预防感染扩散。

The doctor suggested we get vaccinated to prevent the spread of infection.