动词
中文翻译：签署
同义词：
['sign', 'ratify', 'confirm例句：1. The president signed the treaty with the foreign minister.（总统与外交部长签署了条约。）']
例句：
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1. The president signed the treaty with the foreign minister.
总统与外交部长签署了条约。
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2. The agreement was ratified by both parties.
该协议被双方正式批准。
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3. The new policy was confirmed by the committee.
新政策由委员会确认。