他们不是人类,英语怎么说?they are not human.对嘛。还是humans?还是the human。???
地球是人类唯一的家the earth is humans' only home,用humans'还是 human‘s?
human的复数是humen 还是humans
他们不是德国人 用英语怎么说?They are not Germans.还是German.要变复数吗?
human being还是human beings?
human resource 还是 human resources?
human being 后面用are还是is human呢?
人类的英文是human还是mankind
HUMAN BEIINGS加ARE 还是IS
human后面加is还是are?
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 humans区别?
human humans的区别