名词
中文翻译：签名者
同义词：
['signatory', 'notary', 'witness例句：1. The contract was signed by both parties at the meeting.（合同在会议上由双方签署。）']
例句：
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1. The contract was signed by both parties at the meeting.
合同在会议上由双方签署。
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2.The notary recorded the signature of the witnesses.
公证员记录了证人的签名。
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3.The witness testified that they saw the suspect commit the crime.
证人作证说他们看到了嫌疑人犯罪。