dun
v.tr.(及物动词)dunned,dun.ning,duns To importune (a debtor) for payment:向(欠债人)讨债:例句:a dunning letter.讨债信
n.(名词)One that duns.讨债人An importunate demand for payment.讨债
来源:[Origin unknown] [词源不明]
dun
dun 2
n.(名词)Color An almost neutral brownish gray to dull grayish brown.【色彩】 暗褐色:近乎中性的棕灰到暗灰棕色A fishing fly having this color.具有此种颜色的蜉蚍的亚成虫A horse of this color.灰兔褐色马
来源:Middle English 中古英语 from Old English dunn 源自 古英语 dunn [perhaps of Celtic origin] [可能来自盖尔语]