palpus

例句：

1. 1.The horse is the fastest animal on land.
   马是陆地上最快的动物。
2. 2. The herd of horses grazed in the meadow.
   马群在草地上吃草。
3. 3.The pack leader led the wolves to their den.
   首领带领狼群进入了洞穴。