N-PROPER
石油輸出國組織；歐佩克
OPEC is an organization of countries that produce oil. It tries to develop a common policy and system of prices. OPEC is an abbreviation for (縮略=) 'Organization of Petroleum-Exporting Countries'.
例句
Each member of OPEC would seek to maximize its own production.
石油輸出國組織的每個成員國都尋求最大限度地提高本國石油產量。