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
You can't expect me to believe that.
你不会以为我会信以为真吧。
He that will thrive must rise at five.
五更起床，百事兴旺。
Camping sites, by contrast, are highly cosmopolitan.
而露营驻地则相反，是高度世界性的。