several hundred 和several hundreds of有什么区别?

several hundred 和several hundreds of有什么区别? several hundred 和several hundreds of有什么区别? several hundred 中的hundred 后要加s several hundred 的形式是不是和a few hundred two hundred 的一样不需要加上s several hundred kinds of 和 several hundreds of用法及区别 辨析一下several hundred 和several hundreds of具体点呵呵 several后面加hundred 和million 是咋变 在哪加s 加了of呢 _______ people gathered in front of the hall,waiting for the president to meet them.A) Several hundred B) Severals of hundredC) Several hundred of D) Several hundreds ofA和D有什么区别?为什么D错了? several hundred,several hundreds,sebveral hundredsof 哪一个正确? live for several hundred years 等于什么 It's several hundred years old.(同义句替换) It __ __ several hundred years ago. Several hundred miles eastward from Florida there is a part of the ocean called the Sargasso Sea进行语法分析there引导的从句和Several hundred miles eastward from Florida是什么关系 there are ___students in our school 1.several hundred2.several hundreds 3e.some hundred 4.several of hundred several的用法到底several hundred books还是 several hundreds of the books several hundred后面的名词要加s吗 several hundredseveral hundred several hundreds ofseveral hundred of这三个到底有什么不同?（我彻底搞混了） 有several millions 有several thousands million,dozen,hundred,具体怎么用的啊? several 的用法several与hundred,thousand,million在一起怎样使用啊,hundred,thousand,million 是用单数还是复数?如果hundred,thousand,million后有名词呢? Five hundred和five hundred的区别