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。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。