tail head

例句：

1. 1.The dog's tail was wagging excitedly.
   狗的尾巴兴奋地摇着。
2. 2.The scientist studied the tail head of the animal.
   科学家研究了动物的尾部。
3. 3.The tail head is a crucial part of the animal's anatomy.
   尾部是动物解剖学中至关重要的部分。