a secluded valley的用法和样例：
- It is located in a secluded valley in the canton of Thurgau, an hour's drive from Zurich.
- A secluded structure, such as a bower, in a garden.
- A secluded garden or landscaped area.
- Kissing or caressing in a vehicle stopped in a secluded spot.
- A secluded room for study or relaxation.