a chestnut tree的用法和样例：
- We have a chestnut tree in the bottom of our garden.
- The man, free as a hoyden, ran to a chestnut tree and scratched his back on its bark.
- This is the growth in a chestnut tree fungus, as food, fresh in Japan, the Grifola frondosa 100 grams to 10,000 yen.
- A squirrel is eating a chestnut.
- The Chestnut Tree was almost empty.
- From fifteen to closing-time he was a fixture in the Chestnut Tree.