billion名词怎么变

billion本身就是名词，可以变为billionaire，是亿万富翁的意思。

billionaire 亿万富翁

美 /ˌbɪljəˈner/ 英 /ˌbɪljəˈneər/

词典释义：n.亿万富翁

复数 billionaires

双语例句：

1.He dreamed of getting rich overnight and becoming a billionaire.他梦想一夜暴富，成为亿万富翁。

2.The billionaire gave away all his money after his death.这位亿万富翁死后捐出了自己所有的钱。

3.The billionaire has sponsored many rural children to go to college.这个亿万富翁资助了许多农村孩子上大学。