名词短语
中文翻译：邮资封检查
同义词：
['postage stamp check', 'postage stamp inspection']
例句：
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1. The mail carrier checked the postage stamps before delivering the package.
邮递员在投递包裹前检查了邮资邮票。
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2. During the postage stamp inspection, the inspector found several counterfeit stamps.
在邮资邮票检查期间，检查员发现了几枚伪造的邮票。
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3.The sender was required to provide a valid postage stamp for the letter to be delivered.
寄件人需要提供有效的邮资邮票才能使信件被送达。