防止的英文：
prevent
guard against
take precautions

参考例句：
  • 14 Prevent the swabbing effect.
    防止产生抽吸作用。
  • Camphor-wood has efficacy against the attacks of insects.
    樟木有防止虫蛀的功效。
  • A balanced diet is an insurance against malnutrition.
    均衡的食谱是防止营养不良的保证。
  • Salt preserves food from decay.
    盐能防止食物腐烂。
  • Prevent (sb)from protesting or rioting;subjugate
    防止(某人)反对或作乱;压制
  • Spark arrestor
    防止火花外射的装置
  • Patriotic soldiers appealed for the prevention of a civil war.
    爱国的士兵呼吁防止发生内战。
  • The fabric was ironed to make the colours fast.
    为防止掉色，织物已经过熨烫。
  • A light to guide, a rod/To check the erring
    一束引路的光，一根/防止犯错误的棍
  • Snow goggles
    (登山者防止雪盲的)墨片眼镜
prevent是什么意思：
v. 阻止，妨碍；防止
  • To neutralize a city to prevent bombing.
    宣布某城市中立以避免被轰炸。
  • Prevention is better than cure
    预防胜于治疗
  • This has proved an effective preventive.
    这种药证明是很有效的预防剂。
guard是什么意思：
n. 卫兵；护卫队；守卫；警戒；防护装置；列车长
v. 看守；监视；控制；防范
  • guarding position
    防守位置
  • a guarded answer
    谨慎的回答
  • ...the Irish Guards
    ...爱尔兰近卫团
against是什么意思：
prep. 与...相反；对...不利；倚靠；以防；以...为背景；和...相比
  • It is against federal law to discriminate against blacks.
    歧视黑人是违反联邦法律的。
  • She was drugged against the pain.
    她服麻醉药止痛。
  • He informed against the drugpusher.
    他告发了那个毒品贩。

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