abundant,ample,plenty三者的区别?

abundant,ample,plenty三者的区别? 请问sufficient,ample,enough,abundant,adequate,plenty的具体区别? abundant、ample和plentiful的区别? ample和abundant有何区别? ample adequate abundant怎么区分? enough,sufficient和ample的区别? plenty of和plenty的区别 plenty 和 plenty of 的区别 enough和plenty的区别 not having plenty time &having not plenty 的区别 plenty of和a plenty of的区别是什么 plenty of 和 enough 的区别