999英语网 英语单词
Billon的音标发音
Billon
英式发音：[biln]
美式发音
(n.) An alloy of gold and silver with a large proportion of copper or other base metal, used in coinage.
校对:琳达
(n.) An alloy of gold and silver with a large proportion of copper or other base metal, used in coinage.
校对:琳达