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countersign [document]
动词后直接跟需要联署的文件。
The treasurer must countersign the check.
财务主管必须副署这张支票。
副署；会签
先理解核心含义，再看它在真实句子里的用法。
副署；会签
to add a second signature to a document, usually on the opposite side, in order to confirm another person's signature remains valid
The treasurer must countersign the check.
财务主管必须副署这张支票。
在(文件)反面签名
To sign on the opposite side of (a document).
副署,在文件上加第二个签名以确认另一人签名的有效性
To add a second signature to a document, affirming the validity of the signature of another person.
countersign
Base
原形
countersigns
3rd person
第三人称单数
countersigning
-ing
现在分词
countersigned
Past
过去式
countersigned
Past participle
过去分词
The officer countersigns the document.
官员副签这份文件。
She countersigned the check yesterday.
她昨天副签了支票。
He is countersigning the orders now.
他正在副签命令。
规则动词：过去式和过去分词加-ed。
The manager must countersign the contract before it becomes legally binding.
合同必须由经理副署后才能具有法律效力。
After the officer approved the visa, the ambassador countersigned it.
警官批准签证后，大使进行了副署。
The accountant is countersigning the check to authorize payment.
会计正在副署支票以授权付款。
动词后直接跟需要联署的文件。
The treasurer must countersign the check.
财务主管必须副署这张支票。
被动结构强调动作的执行者。
The contract was countersigned by the manager.
合同由经理副署确认。
Not this
The manager countersigned on the contract.
Use this
The manager countersigned the contract.
countersign 是及物动词，后面直接跟宾语，不需要介词 on。正确用法是 countersign + 宾语（被副署的文件）。
Not this
Please countersign your name on the application form.
Use this
Please sign your name on the application form.
countersign 指在已有签名的基础上再次签名以确认，而首次签名应用 sign。如果文件尚未有签名，使用 countersign 不恰当。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.