多足动物

As diatoms have shells made of silica they are protected from copepods and so are more likely to die without being eaten and thus take take their carbon to the ocean floor.

因为硅藻有着能够保护他们遭到饶足类动物食用的壳，因此他们能够带更多的碳到海底。

A small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many chambered shell coiled in a flat spiral .

旋壳贼属的热带小型足类动物，眼睛突出，臂短，多个隔间的壳卷成扁平的螺旋状。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。