rhabdopod

例句：

1. 1. The rhabdopods of the crab are usedfor gripping onto rocks.
   螃蟹的桡足用于抓住岩石。
2. 2. The appendagesof the octopus are usedto sense its environment.
   章鱼的触手用于感知其环境。
3. 3. Therhabdopodsof the fish are used forswimming and propulsion.
   鱼类的桡足用于游泳和推进。