humans=human beings?
human beings humans区别?
请问human,humans,human being,human beings它们有什么区别以及他们可以通用吗?
human beings are human beings
look like human beings 中为什么不是humans,being为什么还要加s
human ,human beings 区别
human being还是human beings?
human humans的区别
human beings是什么意思?
human beings to program
Can human beings conquer natural disasters?Can human beings
human beings与human being的区别
THE HUMAN USE OF HUMAN BEINGS怎么样