1. Preventive measures are essential.
    预防手段是必要的。

1. 预防的：虽然糖尿病及他并发症是国人十大死因中排名第五名,但是它是可以预防的(Preventive),据统计,百分之八十五的糖尿病患是属於成人第二型糖尿病(Adult-onset diabetes),它通常发生在超过四十岁的成年人身上,特别是体重 过重(Overweight)更易患得,

2. 预防性的：环境方面的国际法作为一个规则体系,起初主要限于处理跨境损害责任、资源配置和解决共同空间的冲突使用问题,但是现在的国际法现在已经在全球层面上采取了预防性的(preventive)保护环境的方法,在此意义上也是风险预防性(precaution

3. 預防性：公司的反收购措施还可以按照实施的时间分为两类:预防性(Preventive)反收购措施与反击性(Active)反收购措施. 预防性反收购措施是目标公司为了降低潜在敌意收购获得成功的可能性,在敌意收购发生之前就采取的反收购措施.

4. 预防：蔡政宪说,双方将合资成立的康联生医科技公司,建构新世代健康管理中心,以P4 Medicine,即预测(Predictive)、预防 (Preventive)、个人化(Personalized),及参与性 (Participatory)为成立方针.

1. 预防性的；防备的
    Preventive actions are intended to help prevent things such as disease or crime.

    e.g. Too much is spent on expensive curative medicine and too little on preventive medicine...
           在昂贵的治疗性药物上花费太多，在预防性药物上的支出则太少。
    e.g. People accused the ministry of failing to take adequate preventive measures.
           人们谴责该政府部门未能采取足够的预防措施。

1. an agent or device intended to prevent conception

    Synonym: contraceptivepreventativecontraceptive deviceprophylactic devicebirth control device

2. any obstruction that impedes or is burdensome

    Synonym: hindrancehinderancehitchpreventativeencumbranceincumbranceinterference

3. remedy that prevents or slows the course of an illness or disease

    e.g. the doctor recommended several preventatives

    Synonym: preventativeprophylactic

1. preventing or contributing to the prevention of disease

    e.g. preventive medicine
           vaccines are prophylactic
           a prophylactic drug

    Synonym: preventativeprophylactic

2. tending to prevent or hinder

    Synonym: preventative