n.[C]

1. 百万；百万元（镑、美元、法郎等）
2. 无数[P]
   He has millions of books.

   他有许多许多书。

3. 大众[the S]
   She often listens to music for the million.

   她常听大众音乐。

a.

1. 百万的
   There are five million permanent residents in the city.

   这个城市有五百万常住居民。

2. 数百万的，无数的

cardinal number

1. (a/one million) the number equivalent to the product of a thousand and a thousand; 1,000,000 or 10⁶.
2. (also millions) informal a very large number or amount.