1. Pandas are cute and cuddly animals.

2. They have black and white fur and big round eyes.

3. They are native to China and are considered a national treasure.

4. Pandas are endangered due to habitat loss and poaching.

5. Pandas are often used as symbols of peace and friendship in Chinese culture.

6. They are also a popular attraction at zoos around the world.

7. Pandas are known for their gentle nature and playful behavior.

8. Panda is the special kind of animal in the world, which also can be stand for China.

9. The moment we see panda, the words come out immediately are : lovely, cute and friendly.

10. He is black and white and had big black circles under its eyes.

11. Especially they are liked by kids.

12. However, at present according to the research the number of pandas has decreased rapidly.

13. Si Chuan and Gan Su is his habitat.

14. Not only for the environment problems, but also due to some bad hunter's behavior.

15. As a result, in order to protect our precious and cute pandas, we should work hand in hand and try our best to protect the lovely animal.

这些句子涵盖了熊猫的外貌特征、生活习性、文化象征以及保护现状等方面，适合三年级学生学习和使用。