C2 a large amount of money or valuable possessions财富;财产
She donated a sizeable portion of her riches to children's charities.她将很大一部分财产捐给了儿童慈善机构。
a large quantity of a valuable natural substance丰富的矿产;丰饶的物产;珍贵丰富的自然资源
The country has great oil/mineral riches.这个国家石油/矿产资源丰富。
They plundered the rainforest for its natural riches.他们为了获取丰富的自然资源,对雨林进行掠夺式开发。