1.
relating or belonging to the class Cephalopoda.
关于或属于头足类动物。
2.
cephalopods having two gills.
有两个腮的头足类动物。
3.
cephalopods having eight short tentacles plus two long ones.
有八只短须加两只长须的头足类动物。
4.
one of the coiled chambered fossil shells of extinct mollusks.
一种已灭绝的头足类动物的化石脱壳。
5.
eight-armed cephalopod lacking an internal shell.
有八肢的头足类动物，无内壳。
6.
the skin of cephalopods is thin and lubricious.
头足类动物的皮肤很细腻光滑。
7.
family of extinct Mesozoic cephalopods.
现存的中生代头足类动物的一科。
8.
spiral-shelled cephalopods.
螺旋形外壳的头足类动物。
9.
bottom-living cephalopod having a soft oval body with eight long tentacles.
底硒头足类动物，身体软而呈卵形，有八只长触须。
10.
Certain extinct cephalopods have an unusual coiling shape.
某些绝种的头足类动物具有特殊的旋卷形态。
11.
widely distributed fast-moving ten-armed cephalopod mollusk having a long tapered body with triangular tail fins.
广泛分布的十肢头足类动物，游动迅速，身体长而尖，有三角形尾鳍。
12.
a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae.
乌贼的化石，圆锥形石灰质化石，许多灭绝的头足类动物。
13.
genus of small cephalopods with many-chambered spiral shells resembling those of the extinct belemnites.
一种小的头足类动物，外壳呈多室螺旋状如已绝迹的箭石。
14.
ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell.
卵形身体的十肢头足类动物，窄的鳍和身体一样长，钙质内壳大。
15.
order of extinct dibranchiate cephalopods related to the surviving spirulas.
已灭绝的二鳃目头足类动物目，与现存的旋壳乌贼相关。
16.
cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions.
产于印度和太平洋的头足类动物，螺旋状的壳上有浅色珍珠状分隔线。
17.
a small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many-chambered shell coiled in a flat spiral.
旋壳乌贼属的热带小型头足类动物，眼睛突出，臂短，多个隔间的壳卷成扁平的螺旋状。
18.
Amoebas are rhizopods.
变形虫是根足类的动物。