closed-door

英['kləʊzddɔː] 美['kloʊzdˌdoʊr]
  • adj.非公开的
  • closed adj.关闭的;封闭的;停业的动词close的过去式和过去分词.
  • treaty n.条约;协定
Adjective:
  1. not open to the public;

    "a closed-door meeting"

    用作形容词 (adj.)
    1. We have organised closed schemes for a variety of laboratories commissioned by both government organisations and private industry.
      我们已成功为各种不同的实验室组织过非公开的来自于政府机构或者私营企业委托的内部水平测试。