tube foot

同根派生

A little elfin starfish hung down, suspended by the merest thread, perhaps by only a single tube foot.
一衹小海星用它的一衹琯足，拉著一根細絲從洞頂懸掛而下，想去觸摸自己的倒影，多麽完美的畫麪啊！
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.
就在我朝洞裡探望時，從洞頂上掛下一衹小海星，僅僅懸在一條線上，或許就在它的一衹琯足上。
They all also have tube feet powered by specialized systems for pumping water.
所有這些動物都有由特別的泵水系統支持的琯狀腳。
One of the five radial areas on the undersurface of the starfish and similar echinoderms, from which the tube feet are protruded and withdrawn.
步帶海星和類似棘皮動物底部五個輻射狀排列部位中的一個，觸手從這裡進行伸縮
One of the five radial areas on the undersurface of the starfish and similar echinoderms,from which the tube feet are protruded and withdrawn.
步帶海星和類似棘皮動物底部五個輻射狀排列部位中的一個，觸手從這裡進行伸縮。