aboral tentacle

例句：

1. 1. The aboral tentacle of the crab is used to grip onto objects.
   螃蟹的触角用于抓住物体。
2. 2. The aboral tentacle of the sea turtle is used to capture prey.
   海龟的触角用于捕捉猎物。
3. 3. The aboral tentacle of the octopus is used to sense its environment.
   章鱼的触角用于感知其环境。