prevent的用法

prevent通常用作及物动词，表示阻止或预防某种不良事件或情况的发生。例如：Parents should take measures to prevent their children from accessing inappropriate content on the internet.
prevent也可以用作不及物动词，表示阻止或预防某种情况的发生。例如：Regular exercise and a healthy diet can help prevent heart disease.
prevent还可用作名词，表示防止或预防某种措施或方法。例如：Vaccination is an effective prevent against certain diseases.