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
I'll have vanilla.
我要香草的。
Oh, really? Where did you go?
哦，真好？去哪儿了？
'Why are you doing that?' Sally asked.
“你为什么要那样做呢？”萨莉问。