preventative

例句：

1. 1. To prevent the spread of disease, we must wash our hands frequently.
   为了防止疾病传播，我们必须经常洗手。
2. 2. The company has implemented a preventive program to reduce workplace accidents.
   该公司已经实施了一个预防程序，以减少工作场所事故。
3. 3. Preventive care is essential for maintaining good health.
   预防性护理对于保持健康至关重要。