several million of 和several millions of

问题描述:

several million of 和several millions of
做题目的时候无意中看到,然后有点不明白,是several million of 还是several millions of,另外一个的用法是什么,或者说另外一个有什么搭配吗、、

应该是million吧
million是一个数词,数词后不可以跟s