1.
A protein substance that is the organic basis of mollusk shells.
贝壳硬蛋白作为软体动物贝壳有机基质的蛋白质
2.
a collector and student of mollusc shells.
一个软体动物贝壳的收藏者和研究人员。
3.
The Mollusc Shells:An Important Message Carrier for the Study of Ancient Climate in the Prehistorical Relics of Archaeology
史前考古遗址中一种重要的古气候信息载体: 软体动物贝壳
4.
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
5.
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
6.
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
7.
One of the paired, hinged shells of certain mollusks and of brachiopods.
贝壳某些软体动物或鳃足动物的成对的、铰接开合的贝壳之一
8.
a mollusc whose main body, enclosed in a shell, hides in the mud for safety.
那种被贝壳覆盖着主要身体的 软体动物 为了安全而隐藏于泥浆中
9.
In some areas even aragonitic shells of the pelagic molluscs pteropods coat the sea floor.
在有些地区，甚至深海软体动物翼足类的文石贝壳可铺满海底。
10.
A mollusk, such as an oyster or a clam, that has a shell consisting of two hinged valves.
双壳类一种软体动物，如牡蛎或蛤，有由两个开合的瓣组成贝壳的动物
11.
Any of the bivalve mollusks of the class Lamellibranchia, including the clams, scallops, and oysters.
瓣鳃纲软体动物任一种属于瓣鳃纲的双壳类软体动物，包括蛤、蚝、扇贝、牡蛎
12.
A mass of strong, silky filaments by which certain bivalve mollusks, such as mussels, attach themselves to rocks and other fixed surfaces.
足丝某些双壳软体动物（如贻贝）用于将自身附着在岩石上和其它固定表面上的一团柔韧的丝
13.
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
14.
any of various seashore mollusks having a tapering tubular shell open at each end and a foot pointed like a spade for burrowing.
各种海滨的软体动物，尖头的管状贝壳在每端都有开口，足尖如铲形适于挖掘。
15.
The lobster is a shellfish.
龙虾是水生贝壳动物。
16.
catch fish or shellfish.
捕捉鱼或贝壳类动物。
17.
Shellfish are good to eat.
水生贝壳类动物很好吃。
18.
the collection and study of mollusc shells.
收集和研究软体动物的壳。