Definition
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prevent
To prevent means to stop something from happening or to make it impossible for something to occur.
预防是指阻止某事发生或使某事不可能发生。
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Wearing a mask can help prevent the spread of diseases.
佩戴口罩可以帮助预防疾病的传播。
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To prevent accidents, always follow safety guidelines.
为了预防事故,请始终遵循安全指南。
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The vaccine was developed to prevent the outbreak of the virus.
该疫苗是为了预防病毒的爆发而开发的。