panic grass

例句：

1. 1.The panic grass is a common plant in the desert.
   恐慌草是沙漠中常见的植物。
2. 2.Panic grass grows quickly and can be used for erosion control.
   恐慌草生长迅速，可用于侵蚀控制。
3. 3. Panic grass is a good source of food for some animals.
   恐慌草是某些动物的良好食物来源。