名词
中文翻译：万国邮政联盟
同义词：
['Universal Postal Union', 'International Postal Union', 'International Postal Association']
例句：
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1. The WUY is responsible for the global postal system.
万国邮联负责全球邮政系统。
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2. The WUY has been working to improve international mail delivery.
万国邮联一直在努力改进国际邮件递送。
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3. The WUY is a key player in promoting international trade and diplomacy.
万国邮联是促进国际贸易和外交的重要角色。