billionaire
🇺🇸
/ˌbɪljəˈner/
🇬🇧
/ˌbɪljəˈneə(r)/
a person who has at least one billion dollars or the equivalent in money or property
The billionaire donated millions to charity to help those in need.
这位亿万富翁向慈善机构捐赠了数百万美元,以帮助有需要的人。