preventative [prɪˈvɛntətɪv]

例句:

• It envisages network of drug-distributon centres and preventative programmes.
  来自BBC
• And they told me their insurance wouldn't cover me unless I wore preventative covering.
  他们告诉我我的保险不能赔偿我因为我们有穿适当的衣服.
  
• Limiting this food marketing is an important preventative strategy for childhood obesity.
  限制这类食品广告是预防儿童肥胖的一个重要手段.
  
• Nations across the globe have already been taking preventative measures.
  全球各国已经采取防范措施.
  
• She vowed then to devote herself to preventative dentistry.
  来自THETIMES
• It also covers preventative services a big deal.
  来自WSJ