opisthognathous

例句：

1. 1. The octopus' tentacles are opisthognathous, which means they can twist and turn in alldirections.
   章鱼的触手是多方向弯曲的，这叫做opisthognathous。
2. 2. The shape of the octopus is unique, with its opisthognathous tentacles that can wrap around objects.
   章鱼的形状独特，它的多方向弯曲的触手可以缠绕物体。
3. 3. In the ocean, octopuses use their opisthognathous tentacles to capture prey and protect themselves from predators.
   在海洋中，章鱼利用它们多方向弯曲的触手来捕捉猎物并保护自己免受捕食者的伤害。