know的n形式是:
knowledge
美/ˈnɑːlɪdʒ/英/ˈnɒlɪdʒ/
n.知识，学问；知道，认识；学科
双语例句:
The professor believes that he does not have enoughknowledgeof economics.
教授认为他了解的经济学知识还有所欠缺。
The moreknowledgeyou learn, the samrter you are.
你学的知识越多，你就会越聪明。
Knowledgecomes from practice, and failure breeds progress.
实践出学识，失败蕴进步。
