a preventative against
collocation预防……的药物或措施
Regular exercise can be a preventative against heart disease.
经常锻炼可以预防心脏病。
避孕工具;障碍;预防法;预防措施;预防物
预防药
remedy that prevents or slows the course of an illness or disease
障碍
any obstruction that impedes or is burdensome
避孕工具
an agent or device intended to prevent conception
The doctor prescribed a preventative to help lower her risk of heart disease.
医生开了一种预防药,帮助降低她患心脏病的风险。
用法提示:此处 preventative 为名词,作 prescribe 的宾语,意为“预防药”。
Regular exercise is often called a good preventative against the common cold.
经常锻炼常被称为预防普通感冒的好方法。
用法提示:此处 preventative 为名词,作表语,并搭配 against 表示“预防……的措施”。
Some people keep vitamin C pills as a preventative when traveling abroad.
有些人出国旅行时会把维生素C片作为预防药备着。
用法提示:此处 preventative 为名词,作 as 的宾语,指“预防药/预防用品”。
preventive 与 preventative 基本同义,常可互换;preventive 更简洁,在医学和正式写作中更常用。
prophylactic 语气更正式、专业,常指特定的预防药物或措施;也可表示避孕工具,但在疾病预防语境下与 preventative 同义。
针对“预防药/预防措施”义项,指引起事情发生的根源;不适用于“障碍”或“避孕工具”义项。
针对“预防药”义项,指疾病发生后的治疗药物;与预防相对,但不与“障碍”或“避孕工具”义项相对。
预防……的药物或措施
Regular exercise can be a preventative against heart disease.
经常锻炼可以预防心脏病。
有效的预防药或预防措施
This vaccine is an effective preventative for the flu.
这种疫苗是预防流感的有效手段。
使用预防药;采取预防措施
Doctors recommend using a preventative if you travel to high-risk areas.
医生建议,如果你前往高风险地区,应使用预防药物。
作为预防措施
Some people take garlic as a preventative against colds.
有些人服用大蒜作为感冒的预防措施。
prevent
-ative
-ative
-ative
-ative
-ative
pre-(在…之前,前)+ vent(来,源自拉丁语 venire)+ -ative(后缀)。同根词:prevent、prevention、preventive、advent、convene、invent、venue;同前缀:preview、predict;同后缀:talkative、qualitative。
与预防药同属疾病预防手段。
通过检查早期发现风险,起预防作用。
良好的卫生习惯有助于预防疾病。
隔离措施可防止疾病传播。
安全措施用于防范事故或伤害。
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Dictionary facts from ECDICT, WIKTIONARY, WORDNET.