英汉词典

1. 必要的;至关重要的;必不可少的
    If you say that something is vital, you mean that it is necessary or very important.

    e.g. The port is vital to supply relief to millions of drought victims...
           这个港口对向数百万旱灾灾民提供救援物资是至关重要的。
    e.g. Nick Wileman is a school caretaker so it is vital that he gets on well with young people...
           尼克·威尔曼是学校的管理员，因此与年轻人搞好关系很重要。