名词
中文翻译：降落证
同义词：
['landing permit', 'landing authorization']
例句：
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1.The pilot needed a landing certificate to take off the plane.
飞行员需要一张着陆证明才能起飞飞机。
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2. The airline provided me with a landing certificate upon my arrival.
航空公司在我到达时给了我一张着陆证明。
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3.The pilot had to show his landing certificate before boarding the plane.
飞行员在登机前必须出示他的着陆证明。