gatekeeper

gatekeeper
noun
  1. an attendant at a gate who is employed to control who goes through it
    看门人,管门人
    ■(figurative)a person or thing that controls access to something
    (喻)控制进入的人(或物)
    GPs can act as gatekeepers, filtering demands made on hospital services.
    普通医师可以作为把关的人,以减轻医院就诊病人过多的负担。
  2. an orange and brown European butterfly with small eyespots on the wings, frequenting hedgerows and woods
    棕眼蝶。 亦称 hedge brown
  3. Pyronia tithonus, subfamily Satyrinae, family Nymphalidae
    拉丁名Pyronia tithonus,眼蝶亚科,蛱蝶科
英语宝典
考试词汇表