decerebellate

例句：

1. 1. The octopus has a decerebellate brain, which is different from the brain of other animals.
   章鱼有一个与其它动物不同的退化的脑。
2. 2. The decerebellate brain allows the octopus to navigate in the dark without using its eyes.
   退化的脑使章鱼在黑暗中导航，而不需要使用眼睛。
3. 3. The decerebellate brain may have evolved to help the octopus survive in environments with low light levels.
   退化的脑可能已经进化出来帮助章鱼在光线不足的环境中生存。