n.货币学者，古币研究家（或收藏家）...

His grandfather is a numismatist.他爷爷是个钱币收藏家。...

numismatist的音标：numismatist的英式发音音标为：[nju:'mɪzmətɪst]numismatist的美式发音音标为：[nu'mɪzmətɪst]...