countersign

同义
parole password word watchword countersign
词性
n
解释
a secret word or phrase known only to a restricted group
示例
he forgot the password

同义
countersign countersignature
词性
n
解释
a second confirming signature endorsing a document already signed
示例
None

同义
countersign
词性
v
解释
add one's signature to after another's to attest authenticity
示例
You must countersign on this line of the contract