pre
vent
第三人称
prevents
现在进行时
preventing
过去式
prevented
过去完成时
prevented
1
防止, 阻止
to not let someone do something
及物动词
- The security guard prevented the unauthorized person from entering the building.
保安阻止了未经授权的人进入大楼。
- She tried to prevent her younger brother from eating too much candy before dinner.
她试图阻止她弟弟在晚饭前吃太多糖果。
- The referee intervened to prevent the players from escalating the argument into a physical altercation.
裁判介入以防止球员将争论升级为肢体冲突。
- She took precautions to prevent her child from getting lost in the crowded mall.
她采取了预防措施，防止她的孩子在拥挤的商场里迷路。
- Right now, the police are taking action to prevent the protest from escalating.
目前，警方正在采取行动防止抗议活动升级。
同义词：
反义词：
2
防止, 预防
to stop something from happening
及物动词
- Regular exercise can help prevent certain health issues.
定期锻炼有助于预防某些健康问题。
- The security measures in place prevent unauthorized access to the building.
现有的安全措施防止未经授权进入建筑物。
- Yesterday, the quick intervention prevented a serious accident.
昨天，快速干预防止了一起严重事故。
- Vaccination programs have historically prevented the spread of infectious diseases.
疫苗接种计划历来防止了传染病的传播。
- The lock on the door helps prevent burglaries in the neighborhood.
门上的锁有助于防止社区中的盗窃。