的意思 ambulacra

1. The ambulacra of the sea urchin are lined with tube feet used for movement and feeding.
海胆的足板上布满了用于移动和进食的管足。

2. Fossils of ancient echinoderms often show well-preserved ambulacra.
古代棘皮动物的化石通常展示出保存完好的足板。

3. The ambulacra of starfish are located on the underside of their arms.
海星的足板位于它们的触手的下侧。

4. The design of the ambulacra in sea cucumbers allows for efficient burrowing in sand.
海参的足板设计能够有效地在沙子中挖洞。

5. Scientists study the ambulacra of sea urchins to understand their locomotion and feeding strategies.
科学家研究海胆的足板，以了解它们的运动和进食策略。

6. The ambulacra of sea lilies are equipped with specialized structures for filter feeding.
海百合的足板配有专门的结构，用于滤食。