several million of可以用吗?这么用对吗?

several million of可以用吗?这么用对吗? several million of 和several millions of several millions of 还是several million the price of the vegetables has been increasing 这句话对吗.可以这么用吗 请问1001256用英语这么读对吗:one million and one thousand two hundred a it's I,这种用法对吗?可以这么用吗? 具体是several millions of students还是several million students several million people还是several millions of people问什么 many millions of可以这么用吗? 关于several million,many million 是several millions of the students还是several million of the st with the grown of i 可以这么用吗