multimillionaire
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/ˌmʌltimɪljəˈner/
🇬🇧
/ˌmʌltimɪljəˈneə(r)/
A person with millions of dollars or pounds in wealth.
The multimillionaire donated a large sum of money to the charity.
这位千万富翁向慈善机构捐赠了一大笔钱。