banknote
noun [ C ] mainly UK uk/ˈbæŋk.nəʊt/ us/ˈbæŋk.noʊt/ (US usually bill)
钞票，纸币
a piece of printed paper that has a particular value as money
a £20 banknote 一张20英镑的钞票
Hidden in the suitcase were wads of banknotes. 手提箱中藏有一叠叠的钞票。
See also: note noun