a.

1. 多產的，多育的；富於創造力的
   a prolific writer

   多產作家

   prolific animals

   多育動物

2. 豐富的，富饒的；富於……的[（+of/in）]
   The last few pages of the document are prolific of mistakes.

   這個文件的最後幾頁錯誤很多。

   The mountainous area is prolific in valuable minerals.

   這一山區有豐富的寶貴礦石。

adj.

1. producing much fruit or foliage or many offspring.
2. (of an artist, author, etc.) producing many works.
3. plentiful.