preventative

• 指用于防止或抑制不想要的事情发生的，如疾病、损坏或危险。

Describes something intended to prevent or hinder something undesirable, such as disease or damage.

1. Tending to prevent or hinderB2formal

   Designed or intended to stop something from happening, especially something undesirable.

   预防性的

   • The company implemented preventative measures against data breaches.
   • Preventative maintenance can extend the life of your car.
   • They took preventative steps to avoid any legal issues.

   同义词counteractivedeterrentinhibitoryobstructivepreclusivepreemptivepreventiveprophylacticprotective

2. Preventing diseaseB2formalmedical

   Relating to actions or treatments that stop disease from occurring.

   预防性的

   • Regular exercise is a key part of preventative healthcare.
   • Vaccinations are a crucial preventative measure against many illnesses.
   • The doctor recommended a preventative screening for early detection.

   同义词preventiveprophylacticprotective

• 指用于预防或延缓疾病发生或发展的物品；也泛指任何造成妨碍或负担的障碍物；还可指用于避孕的器具或药物。

A noun referring to a remedy that prevents or slows the course of an illness or disease, any obstruction that impedes or is burdensome, or an agent or device intended to prevent conception.

1. Preventive remedyB2formalmedical

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

   预防措施

   • Taking vitamins can act as a preventative against common colds.
   • The doctor recommended a preventative for seasonal allergies.
   • Regular exercise is a good preventative for heart disease.

   同义词preventiveprophylactic

2. Obstruction or hindranceC1formal

   An obstruction or something that impedes progress or is burdensome.

   障碍或阻碍

   • The new regulations were seen as a preventative to innovation.
   • Bureaucracy can be a preventative to efficient work.
   • The heavy traffic was a preventative to arriving on time.

   同义词barrierblockdeterrenthindranceimpedimentobstacleobstruction

3. ContraceptiveB2formalmedical

   An agent or device intended to prevent conception.

   避孕药

   • The clinic provides various preventatives for family planning.
   • She chose a hormonal preventative for birth control.
   • Condoms are a common type of preventative.

   同义词contraceptiveprophylactic

   反义词fertility