a million of和 millions of 加单复数

a million of和 millions of 加单复数 millions of 、 million of 、 millions 、a million 的区别 million million of millions和millions of的区别! million of 和millions of 的用法 several million of 和several millions of millions of与million millions of cattle 为什么million加s cattle 不加 millions of,million of等等的区别 A million B millions of C three million of D three millions_ 是millions of people 还是million people several millions of 还是several million million的用法millions of 与millions 的区别