详细解释:n. 亿万富翁
英语解释：
名词 billionaire:
a very rich person whose material wealth is valued at more than a billion dollars详细解释：
bil.lion.aire
n.（名词）A person whose wealth amounts to at least a billion dollars, pounds, or the equivalent in other currency.亿万富翁：财富至少有十亿美元、英镑或与之数量相当的其他货币的人
来源：billion billion(million)aire (million)aire