What are the parallel sentences about trees?

The camphor trees on campus are so tall, as high as five stories; the camphor trees on campus are so thick that it takes about ten adults to hug them; the camphor trees on campus are so tall. Green, green can't be greener!

2. Trees are effective gas masks for humans; trees are factories that make air; trees are machines for air purification.

3. I am a nameless big tree, I contribute my own meager strength to the beautiful nature; I am a nameless big tree, spring, I bring people New hope, in summer, I bring a bit of coolness to people; I am a nameless tree, I am willing to dedicate everything I have, I only hope that the world will become better and better.

4. The trees all over the mountains and plains are like endless green scrolls, like rows of natural barriers, and like border guards waiting in full formation.

5. Zhuantian Yang, a strong swordsman, pierces the sky with a roar that makes people terrified. The elm tree, like a mouse, always retreats when faced with difficulties. Baiyang, like a young man, stands on the battlefield. Pine and cypress trees, like an old grandfather, always come forward at critical moments. The willow tree is like a girl, and the graceful green trees are whirling.

6. The straight cypress trees stand silently like soldiers; the tall pine trees stand like brave warriors, standing proudly in the biting cold wind; the huge banyan trees stand like big umbrellas, bravely holding up the blue sky, protecting Flowers and trees.

7. Trees in spring are the stage for flowers to compete; trees in summer are classrooms for cicadas to sing; trees in autumn are the cradle for fruits to sleep; trees in winter are the wind A sports ground where children race.

8. There is a tree in front of our house. In spring, the big tree sprouts new teeth; in summer, when the heat is unbearable, the big tree opens like an umbrella to provide people with shade; in autumn, the leaves of the tree dance like butterflies and fly down; in winter, the big tree acts like a guard Guarding our home.

9. Willow trees: In spring, willows cling to the willows and catkins are flying; in summer, the branches and leaves are lush and green trees are shaded; in autumn, the fallen leaves are swaying in the wind; in winter, they are independent in the cold and proud of the sky.

10. A tree is a child of the earth. Its roots are entrenched to protect the soil and water for its mother. A tree is a child of the mountain. Its branches and leaves are dancing to block the sun for its mother. A tree is a child of the sun. It is vigorous and vigorous. Mother contributes a vitality.

11. In spring, new leaves grow on the ginkgo tree. The new leaves are tender green, like a fan, with long petioles, so the leaves are hanging down. Looking from a distance, the ginkgo tree looks like a fairy in green clothes dancing slightly in the spring breeze. It is extremely beautiful.

12. Tree! Without you we would lose our lives! Without you, we would not be able to see the beauty of green! Without you, we would lose a lot of life! Without you, the summer sun cannot be blocked! Without you, our ancestors would not have discovered fire!

13. The tree outside the window is a tree that has been weathered by wind and sand; the tree outside the window is an inconspicuous tree; the tree outside the window is a tree that strives to absorb nutrients book; the tree outside the window is a tree that grows for hope; the tree outside the window eventually becomes a tree full of vitality and luxuriant branches!

14. Trees belong to the earth