graduated tail

例句：

1. 1. The tail of the butterfly is a crucial part of its flight pattern.
   蝴蝶的尾巴是其飞行模式中至关重要的部分。
2. 2. The tail of the snake is used to sense vibrations in the air.
   蛇的尾巴用于感知空气中的振动。
3. 3. The tail of the cheetah is long and curved, helping it to catch its prey.
   猎豹的尾巴长且弯曲，帮助它捕捉猎物。