查询词典 echinoderms

Any of various echinoderms of the class Crinoidea, including the sea lilies and feather stars, that are characterized by a cup-shaped body, feathery radiating arms, and either a stalk or clawlike structure with which they are able to attach to a surface.

海百合纲动物任一种属于海百合纲的棘皮动物，包括有海百合以及毛头星等，其特征是身体成杯状，有羽状外延腕和可以吸附在海底的肉柄或爪状结构

These small, spiny echinoderms are found in oceans all over the world.

这些小的，多刺的棘皮动物能够找到在全世界的海洋。

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radial areas on the undersurface of the starfish and similar echinoderms,from which the tube feet are protruded and withdrawn.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radial areas on the undersurface of the starfish and similar echinoderms,from which the tube feet are protrude d and withdrawn.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

Sea cucumber, also known as sea rat, wood meat, are echinoderms,cylindrical body, thick skin, soft and stick-slip, muscular, good contraction, as early as a few hundred years ago was regarded as a health tonic, only ginseng seafood in Asia treasures, so named for the sea cucumber.

海参又名海鼠，木肉，属于棘皮动物，身体呈圆筒形，皮厚、柔软而黏滑，肌肉发达，善于收缩，早在数百年前就被视为滋补强身，仅亚于人参的海产珍品，故取名为海参。

Zoology Any of various marine echinoderms of the class Asteroidea, characteristically having a thick, often spiny body with five arms extending from a central disk.

海星：任一种海星纲的棘皮动物，典型特征是长有厚而带剌的身体，并生有五条辐射排列的腕 adj.also也作 asteroidal 形容词 Star-shaped。

In the late 1900's, research on echinoderms proided the initial eidence for the importance of phagocytic cells in reactions to foreign material.

在十九世纪末对于棘皮动物的研究获得了噬菌细胞对外来物质的反应的重要性的最初的证据。

Zoology pertaining to the ambulacra of radial echinoderms.

与放射状的脊皮类动物的吸垫有关。

Ocean acidification, which poses adverse effects on calcifying species such as corals, echinoderms, crustaceans, and mollusks as well as certain phytoplankton.

海洋酸化，这就造成了不利影响钙化物种如珊瑚，棘皮动物，甲壳类动物，和软体动物以及某些浮游植物。

Study the diversity of vertebrates: sponges, cnidarians, flatworms,nematodes, annelids, mollusks, arthropods, and echinoderms.

A2， B3， G3 研习无脊椎动物的多样性－海绵动物、腔肠动物、扁形动物、圆形动物、环节动物、软体动物、节肢动物及棘皮动物。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。