palpiger

例句：

1. 1. The octopus has eight arms and a palpiger on each side.
   章鱼有八条臂和每边一个触角。
2. 2.The fish had a long, flexible tail with many small, sharp palpigers.
   这条鱼有一条长而灵活的尾巴，上面有许多小而锋利的触角。
3. 3.The crab has two large claws and a pair of small, sharp palpigers.
   螃蟹有两个大爪子和一对小而锋利的触角。