1. 表示"属于关系",意为"(属于)......的"。如:the leaves of the tree 2. 表示"(关于)......的"。如:stories of Lei Feng, a map of China 3. 表示"同位关系"。如:He lives in the city of Beijing. 4. 表示某人的品性。如:It's very kind of you to help me. 5. 表示"因为、由于"。如:die of cancer(死于癌症) 6. 用于一些固定短语中。如:Shirts and blouses are made of cotton. I have a lot of h...