zillion

无数、极大的数目、亿万口语，常用复数

She has told me that story a zillion times already.

那个故事她已经跟我讲过无数次了。

成千上万、一大堆口语，常用复数

Zillions of tiny insects covered the surface of the pond.

成千上万的小虫子覆盖了池塘的水面。

无数的、数不清的口语

I have a zillion emails to answer before the meeting.

开会前我有数不清的电子邮件要回。