有 a million of 和 millions of 的区别呢？

有 a million of 和 millions of 的区别呢？ one in a million 和one out of a million有何区别 a million of和 millions of 加单复数 a fifth of a million half a million和a half million 有什么不同他们都是指50万吗? 封装sop28（100mil）和sop28（300mil）有什么区别 millions of 、 million of 、 millions 、a million 的区别 1.The work is too diffcult for Mr.Zhu to finish in a week,he need ____ daysA.More two B.two more C.two another C.another more .2.____ girl took part in the Super Girl Competition ,but only few of them succeeded.A.One million of B.Million of C.Two mil million million of millions和millions of的区别! half a million of trees还是half a million trees more than half后面是a million 还是 of million million of 和millions of 的用法 a quarter of a million Maoris, London has a population of ten million.伦敦有一千万人口.为什么一千万人口还用单数啊?这里是population和million是不是都应该用复数啊？ 塑料知识问题请问这个5 mil poly plastic 意思?和8 mil poly plastic有什么区别? 是a carton of milk还是a bottle of mil?,为什么我写a bottle of milk错了?milk A million B millions of C three million of D three millions___people watched the game over sixteen____people are living in shanghai.A million B millions C millions of D million of