preventive

• 指用于防止不良事件发生的，尤指在健康或安全方面。

Designed to stop something undesirable from happening, especially in the context of health or safety.

1. Disease preventionB2formalmedical

   Designed to stop or reduce the risk of disease or illness.

   预防性的

   • Regular exercise is a key preventive measure against heart disease.
   • The doctor recommended a preventive vaccination before traveling.
   • Preventive healthcare focuses on early detection and lifestyle changes.

   同义词precautionarypreventativeprophylacticprotective

2. General preventionB2formal

   Intended to stop something undesirable from happening.

   预防性的

   • The company implemented preventive measures to avoid data breaches.
   • Preventive maintenance on the machinery reduces the risk of breakdowns.
   • They took preventive action to stop the spread of misinformation.

   同义词deterrentprecautionarypreemptiveprophylacticprotective

   反义词correctivecurativeremedial

• 名词，指预防或延缓疾病的手段，也指阻碍或造成负担的事物，或用于避孕的工具或药物。

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. Medical preventiveB2formalmedical

   A remedy or measure that stops or slows the progression of an illness or disease.

   预防措施

   • The doctor prescribed a preventive to reduce the risk of infection.
   • Vaccines are the most effective preventive against many diseases.
   • Taking vitamins can act as a preventive for common colds.

   同义词preventativeprophylactic

2. Obstruction or hindranceC1formal

   Something that blocks or makes progress difficult; a burden.

   障碍

   • The new regulations were seen as a preventive to economic growth.
   • Bureaucracy can be a preventive to efficient decision-making.
   • Lack of funding is a major preventive to research progress.

   同义词barrierblockcheckcurbdeterrenthindranceimpedimentobstacleobstruction

3. ContraceptiveB2formalmedical

   An agent or device used to prevent pregnancy.

   避孕药具

   • Condoms are a common preventive used during intercourse.
   • The clinic provides information about various preventives.
   • She chose an oral preventive to avoid pregnancy.

   同义词contraceptivepreventativeprophylactic