英汉词典

1. 保护；防护
    To protect someone or something means to prevent them from being harmed or damaged.

    e.g. So, what can women do to protect themselves from heart disease?...
           那么，女性怎样做才能使自己不得心脏病呢？
    e.g. A long thin wool coat and a purple headscarf protected her against the wind...
           一件薄薄的羊毛长外套和一条紫色的头巾为她挡了风。

2. （保险单）为…提供保险
    If an insurance policy protects you against an event such as death, injury, fire, or theft, the insurance company will give you or your family money if that event happens.

    e.g. Many manufacturers have policies to protect themselves against blackmailers.
           许多厂家都购买了保险，以防遭到敲诈。