gregariae

例句：

1. 1.The gregariae were a common sight in the countryside during the summer months.
   在夏季，这些植物是乡村常见的景象。
2. 2. The gregariae have been used for centuries to make dyes and pigments.
   这些植物被用来制作染料和颜料，已有数百年的历史。
3. 3.The gregariae are a symbol of hope and resilience in many cultures.
   在许多文化中，这些植物象征着希望和韧性。