Researchers working on the octopus Project have so far successfully designed a robotic tentacle, with the ultimate aim of creating a full-bodied robotic octopus.

研究人员工作在八达通项目迄今成功地设计了一个机器人触手，以建立一个浓郁的机器人章鱼的最终目的。

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The term may also denote the limb or the locomotive or prehensile organ of an invertebrate (e. g. , the ray of a starfish or the tentacle of an octopus).

arm一词亦指无脊椎动物的附肢或运动器官，如海星的腕、章鱼的触手和腕足纲动物的腕足。

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