hand properties

例句：

1. 1. He held the book in his hands and flipped through it.
   他拿着书翻看。
2. 2. She handed me the keys to her car.
   她把车钥匙递给我。
3. 3. The artist painted a picture of the hand holding a flower.
   艺术家画了一幅握着花的手的画。