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
You drive a hard bargain.
你真会讲价。
I learned grammar this afternoon.
我今天下午学语法。
Has he had anything to eat this morning?
他今早吃了什么东西吗？