n.

1. 财富；财产；资源；富有[U]
   It was a period of wealth and prosperity.

   那是一个富有和繁荣的时期。

2. 丰富，大量[S][（+of）]
   The dictionary gives us a wealth of phrases and sentences to illustrate meaning.

   这本词典给了我们许多说明词义的短语和句子。

n.

1. an abundance of valuable possessions or money.
   ▸the state of being rich.
2. an abundance or profusion of something desirable:
   a wealth of information.
3. archaic well-being.