mid-15c., "possessing worldly goods in excess of a cleric's needs," from Medieval Latin proprietarius "owner of property," noun use of Late Latin adjective proprietarius "of a property holder," from Latin proprietas "owner" (see property). Meaning "held in private ownership" is first attested 1580s. The word was used earlier in English as a noun meaning "proprietor," also "worldly person" (c. 1400), from a noun use in French and Medieval Latin.
权威例句
1. Directors weren't allowed any proprietary airs about the product they made.
主管们不允许对他们生产的产品以所有者自居。
2. The company has a proprietary right to the property.
公司拥有这笔财产的所有权。
3. A second test applies to the State's proprietary activities.
第二个检验适用于政府的专卖活动.
4. We had to take action to protect the proprietary technology.
我们必须采取措施保护专利技术。
5. Different proprietary organic - solvent preservatives often contain the same toxicants.