one of the five areas on the undersurface of an echinoderm on which the tube feet are located
An ambulacrum is an architectural term for the atrium, courtyard, or parvise in front of a basilica that is surrounded by arcades or colonnades, often containing a fountain, and is surrounded by trees.
例句与用法
1.
Coelopleurus maculatus a . agassiz & h . l . clark : medium to rather small , low - hemispherical . ambulacra as broad as interambulacra 并提供了大部分种的形态结构图片，对一些容易混淆的常见种进行了讨论比较。
您当前位置：