tube foot

同根派生

A little elfin starfish hung down, suspended by the merest thread, perhaps by only a single tube foot.
一只小海星用它的一只管足，拉着一根细丝从洞顶悬挂而下，想去触摸自己的倒影，多么完美的画面啊！
In the moment when I looked into the cave a little elfin starfish hung down, suspended by the merest thread, perhaps by only a single tube foot.
就在我朝洞里探望时，从洞顶上挂下一只小海星，仅仅悬在一条线上，或许就在它的一只管足上。
They all also have tube feet powered by specialized systems for pumping water.
所有这些动物都有由特别的泵水系统支持的管状脚。
One of the five radial areas on the undersurface of the starfish and similar echinoderms, from which the tube feet are protruded and withdrawn.
步带海星和类似棘皮动物底部五个辐射状排列部位中的一个，触手从这里进行伸缩
One of the five radial areas on the undersurface of the starfish and similar echinoderms,from which the tube feet are protruded and withdrawn.
步带海星和类似棘皮动物底部五个辐射状排列部位中的一个，触手从这里进行伸缩。