1.
marine gastropod mollusk having a very small thin shell.
海生腹足软体动物，有一层非常薄的壳。
2.
naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles.
光秃秃的海生腹足软体动物，有退化的内壳和两对形似耳朵的触须。
3.
comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug.
有许多海生腹足软体动物组成，其成熟体没有外壳，通常其体形像蛞蝓。
4.
Either of the margins of the aperture of a gastropod shell.
腹足纲软体动物缺口的两个边缘中的任一个
5.
The outer margin of the opening of a gastropod shell.
孔缘腹足纲的软体动物的贝壳的壳口外缘
6.
(zoology) used of mollusks, especially gastropods, as snails etc..
（动物学）用于形容软体动物，尤其是腹足动物，如蜗牛等。
7.
small soft-bodied marine crustaceans living in cast-off shells of gastropods.
寄居在其它腹足动物的弃壳中小型软体海生甲壳动物。
8.
any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body.
裸鳃亚目的多种海栖腹足纲软体动物，无壳，通常体色美丽。
9.
large order of gastropods comprising univalve mollusks that have a single gill resembling a comb.
腹足类的一个很大的目，包含单壳软体动物，有一个梳状鳃。
10.
freshwater or marine or terrestrial gastropod mollusk usually having an external enclosing spiral shell.
淡水、海水或陆栖的腹足纲软体动物，通常有外部包裹的螺旋壳。
11.
Among 52 species of mollusca identified, 45 were gastropods,7 were bivalves.
调查期间采到的软体动物已鉴定52种,其中腹足类45种,双壳类7种。
12.
The inner margin of the opening of a gastropod shell.
唇状部分腹足纲软体动物贝壳开口处的内部边缘
13.
One of the longitudinal ridges on the surface of a gastropod shell.
螺层腹足纲软体动物贝壳表面上的纵向背纹之一
14.
A structure used for locomotion or attachment in an invertebrate animal, such as the muscular organ extending from the ventral side of a mollusk.
足部无脊椎动物用于移动或接连的结构，比如软体动物腹侧延伸的强壮器官
15.
A ciliated swimming organ that develops in certain larval stages of most marine gastropod mollusks.
游泳盘大多数海洋腹足纲软体动物的某些幼体阶段形成的一种有纤毛的游泳器官
16.
A hermaphroditic reproductive organ that produces both sperm and eggs, found in certain gastropods.
卵精巢雌雄同体的再生器官，可以产精子和卵子，在腹足纲软体动物身上发现
17.
Any of various marine gastropod mollusks of the family Volutidae, having a spiral, often colorfully marked shell.
涡螺它是一种涡螺科海洋腹足纲软体动物，具有带螺纹的、常颜色绚丽的壳
18.
The shell of one of these gastropod mollusks, used as an ornament, in making cameos, or as a horn.
螺号指这种腹足纲软体动物的贝壳，在雕刻中用来作装饰品或被用作号角