an alloy formerly used for coinage, containing gold or silver with a predominating amount of copper or other base metal
比朗金(或银)合金。
-
billonn.比朗金合金
-
billionnum.十亿;无数的;大量的;亿万个;十亿英镑;一万亿
"early 18th cent.: from French, literally ‘bronze or copper money', in Old French ‘ingot', from