preventative

预防的、防范的同 preventive

Regular exercise is an effective preventative measure against heart disease.

规律运动是预防心脏病的有效措施。

预防性的、保健的医疗

The clinic focuses on preventative care rather than treatment.

这家诊所重视预防保健，而非事后治疗。

预防措施、预防方法

Washing your hands often is the simplest preventative during flu season.

在流感季节，勤洗手是最简单的预防措施。

预防药、预防剂

She takes the tablets as a preventative against travel sickness.

她服用那些药片来预防晕车。