pika

例句：

1. 1. The pikas were hopping around in the grass.
   兔子们在草地上跳来跳去。
2. 2. Pikas are known for their long ears and bushy tails.
   兔子以其长耳朵和蓬松的尾巴而闻名。
3. 3. The pikas are a protected species in many parts of the world.
   兔子是世界上许多地区的受保护物种。