burweed

例句：

1. 1. The burweeds in the park are a welcome sight on a sunny day.
   公园里的灌木丛在阳光明媚的日子里是一道美丽的风景。
2. 2.The burweeds were used to hide the tracks of the hunters.
   灌木丛被用来隐藏猎人的踪迹。
3. 3.The burweeds provide shelter and food for many small animals.
   灌木丛为许多小型动物提供了庇护和食物。