adj. 预防的 (of); 防止的；防护的。 n. 1.防护物；预防法；预防措施；预防剂。 2.〔古语〕沿岸缉私员。 短语和例子 preventive medicine 【医学】预防医学；预防药。 a preventive war 【军事】先发制人的战争。 preventive maintenance 【机械工程】定期维修。 the P- Service 〔英国〕沿岸海关缉私队。
tending to prevent or hinder 同义词：preventative,
preventing or contributing to the prevention of disease; "preventive medicine"; "vaccines are prophylactic"; "a prophylactic drug" 同义词：preventative, prophylactic,
an agent or device intended to prevent conception 同义词：contraceptive, preventative, contraceptive device, prophylactic device, birth control device,
any obstruction that impedes or is burdensome 同义词：hindrance, hinderance, hitch, preventative, encumbrance, incumbrance, interference,
remedy that prevents or slows the course of an illness or disease; "the doctor recommended several preventatives" 同义词：preventative, prophylactic,
例句与用法
1.
Europeans take melons for a preventive against seasickness . 欧洲人吃瓜作为预防晕船的方法。
2.
This preventive treatment also increases the rate of gain in body weight . 预防性治疗还可增加增重率。
3.
This use of lawyers by business people is called preventive law . 企业家这样使用律师，叫做防范性法律顾问工作。
4.
She was bent on coming in, and saw mary's preventive design . 她打定主意要走进门来，一眼看见玛丽做出拦阻的姿势。
5.
Work therefore is desirable, first and foremost, as a preventive of boredom . 因此人们愿意工作，首先是工作可以防止无聊感。
6.
It should be ascertained if preventive or control procedures have already been attempted . 应查明是否已采取了预防或控制措施。
7.
Until new information is obtained, no rational preventive program is possible . 直至目前为止，所得到的新材料，还是没有什么理想的防止措施。
8.
Preventive control includes all measures taken to prevent the introduction and spread of weeds . 预防性控制包括所有阻止杂草侵入和蔓延的措施。
9.
Any agent that functions by removing sources of free radicals can thus be regarded as a preventive antioxidant . 一切能消除自由基源的助剂都可看作是预防型抗氧剂。
10.
Whatever vaccines ultimately become available, there is no question that such preventives are urgently needed . 不管最终出现的是哪种疫苗，对它们的迫切需求是毫无问题的。
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