I believe that all mankind is created equal 此句中equal在句子中做什么成

I believe that all mankind is created equal 此句中equal在句子中做什么成 请问：All mankind is created equal.句中equal 是什么词性?怎么辨别? that all men are created equal 翻译 Man is created equal. All men are created equal. all men are created equal all human is created equal为什么不是equally? I was a lawyer who believed that all mankind is created ___. 独立宣言中的一句话原文摘录：“That all men are created equal,that they are equal词性one and one is equal to two.中equal是什么词性? All men are created equal为什么不用equally? what i disagree is that everyone should be equal