incapable [ɪnˈkeɪpəbl]

以下由轻松背单词网站提供

adj.无能力的，不能做某事的

unable to do something

He would be incapable of committing such a cruel deed. 他不会做出这么残忍的事。
Computers are incapable of creative thought. 计算机不会创造性地思维。