gear bush

例句：

1. 1. The gear bushes are a common sight in the park.
   齿轮灌木丛是公园里常见的景象。
2. 2. The gear bushes provide shade and shelter for birds and small animals.
   齿轮灌木为鸟类和小动物提供了遮阳和庇护所。
3. 3. The gear bushes are an important part of the ecosystem, providing food and habitat for many species.
   齿轮灌木是生态系统的重要组成部分，为许多物种提供食物和栖息地。