proprietary

proprietary
adjective
  1. of or relating to an owner or ownership
    (与)所有者(有关)的;(与)所有权(有关)的
    the company has a proprietary right to the property.
    该公司对该财产有所有权。
    ■(of a product) marketed under and protected by a registered trade name
    (产品)专卖的,受注册商标保护的;专用的
    proprietary brands of insecticide.
    杀虫剂专用品牌。
    ■behaving as if one was the owner of someone or something
    像所有者的
    he looked about him with a proprietary air.
    他摆出一副业主的架势环顾四周。
语源
  1. late Middle English (as a noun denoting a member of a religious order who held property): from late Latin proprietarius 'proprietor', from proprietas (see property)
英语宝典
考试词汇表