Cosignatory
a. 连署的, 连名的\\nn. 连署人
✅ 同义词
📖 牛津释义
cosignatory
co-signatory, n ~ (of/to sth) person, state, etc signing jointly with others 连署者（人、 国家等）
The US and the former Soviet Union were co-signatories of/to the treaty. 美国和前苏联都是条约的签署国.
🗣️ 情景例句
All we have to do now is shake hands.
现在我们所该做的只是握手了。
He devoted himself completely to his work.
他完全投身于工作。
So who won the race?
谁在比赛中获胜？