OPEC是什么意思_OPEC怎么读_音标ˈəʊpek
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OPEC是什么意思音标:英 [ˈəʊpek]美 [ˈoˌpɛk]
欧佩克(石油输出国家组织)
n an organization of countries formed in 1961 to agree on a common popcy for the production and sale of petroleum
欧佩克(石油输出国家组织)
n an organization of countries formed in 1961 to agree on a common popcy for the production and sale of petroleum