名词
中文翻译：海员证书
同义词：
['航海证书，海事证书例句：1. He needed a valid certificate of seafarer to board the ship.（他需要一张有效的海员证书才能登船。）']
例句：
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1. He needed a valid certificate of seafarer to board the ship.
他需要一张有效的海员证书才能登船。
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2.The captain issued a certificate of seafarer to his crew members.
船长向船员颁发了海员证书。
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3. The crew member received a certificate of seafarer from the immigration office.
船员从移民局收到了海员证书。