Countersign
n. 口令, 暗号, 副署\\nvt. 副署, 确认
✅ 同义词
🔴 反义词
📖 牛津释义
countersign
v[Tn]
sign (a document, etc already signed by another person 副署; 会签)
a cheque countersigned on the back 背书支票.
countersign n secret word which must be spoken to a guard, etc before one is allowed to pass; password 回令（回应警卫人员等的暗语以便通行）
give the countersign 应答回令.
🗣️ 情景例句
OK, let's get started.
好吧 ，我们开始工作。
How much is the interest a year?
每年利息多少？
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。