wealth本身就是名詞,其形容詞是wealthy
例句
1、
A wealthy benefactor came to their rescue with a generous donation.
一位富有的贊助人慷慨解囊挽救了他們。
2、
In those days, only quite wealthy families had baths of their own.
那時候,只有非常富有的家庭纔有自己的浴缸。
3、
Judging by the company he kept, Mark must have been a wealthy man.
根據馬克所交往的人來判斷,他一定是位富翁。