n. remedy that prevents or slows the course of an illness or disease
s. preventing or contributing to the prevention of disease
a. tending to prevent or hinder
a. 预防的, 防止的
n. 防止物, 预防方法, 预防药
1. Preventive measures can help reduce the risk of illness.
预防措施可以帮助降低生病的风险。
2. The doctor recommended a preventive check-up every year.
医生建议每年进行一次预防性检查。
3. Effective preventive strategies can save lives during an outbreak.
有效的预防策略可以在疫情期间挽救生命。