acervulus

例句：

1. 1.The willow tree is a symbol of peace and serenity.
   柳树是和平与宁静的象征。
2. 2. The poplar trees are tall and sturdy, providing shade for the people in the city.
   杨树高大而坚固，为城市中的人们提供了遮荫。
3. 3.The birch trees are known for their white bark and delicate leaves.
   桦树以其白色的树皮和细长的叶子而闻名。
4. 4. Aspen trees are found in mountainous regions, where they provide shelter and food for wildlife.
   云杉树生长在山区，为野生动物提供庇护和食物。
5. 5.The willow branches were used to make baskets for carrying goods.
   柳枝被用来编织篮子，用于携带货物。
6. 6.The poplar trees were used to build houses and bridges in ancient times.
   柳树在古代被用来建造房屋和桥梁。
7. 7.The birch trees were used by Native Americans for medicinal purposes.
   桦树被土著人用作药用。
8. 8. The aspen trees were harvested for their wood, which was used for building furniture and other items.
   云杉树被砍伐以获取木材，用于制作家具和其他物品。
9. 9.The willow branches were used to weave mats and rugs for warmth and comfort.
   柳枝被用来编织毯子和地毯，以提供温暖和舒适。
10. 10.The poplar trees were used to grow crops such as wheat and corn.
    柳树被用来种植小麦和玉米等农作物。