名词
中文翻译：护照
同义词：
['passkey', 'travel document', 'visa']
例句：
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1.She had to show her passport when she entered the country.
她进入该国时必须出示护照。
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2.He was asked to present his passport at the airport.
他被要求在机场出示护照。
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3.The passport issuance process can be lengthy and complex.
护照发放过程可能漫长且复杂。