biarticulate tentacle

例句：

1. 1. The robot's biarticulate arms are capableof performing complex tasks.
   这个机器人的多关节手臂能够执行复杂的任务。
2. 2. Thespider has a biarticulateleg structure that allows it to climb andmove around easily.
   蜘蛛拥有一个多关节的腿结构，这使得它能够轻松地爬行和移动。
3. 3. The new design featuresa biarticulate mechanism that enhances the user experience.
   新设计采用了一种多关节机制，提高了用户体验。