腹足动物

Any of various mollusks of the class Gastropoda, such as the snail, slug, cowrie, or limpet, characteristically having a single, usually coiled shell or no shell at all, a ventral muscular foot for locomotion, and eyes and feelers located on a distinct head.

腹足动物属于腹足纲的任何一种软体动物，如蜗牛、蛞蝓、海蛙或帽贝，特征是具有一单个通常是卷起来的壳或根本无壳，有为了移动的腹足、眼睛和触角生于头部一显要位置

A dextral gastropod shell with the apex upward has its opening on the right when facing the observer.

从面对观察者的方向看，具有向上顶点的右旋腹足动物壳在右侧有一个开口。

Minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants.

微小的圆锥状腹足动物，表面象帽贝但生活在淡水中并以淡水植物为食。

Any of various usually marine gastropods with low conical shells; found clinging to rocks in littoral areas.

长有低圆锥形螺壳的各种通常为海生的腹足动物；发现粘着在海滨地区的岩石上。

A sinistral gastropod shell with the apex upward has its opening on the left when facing the observer.

从面对观察者的方向看，具有向上顶点的左旋腹足动物壳在左侧有一个开口。

It belongs to the mollusk class gastropoda.It is also a univalve,which means that the shell consists of a single valve or piece.

它属于软体动物类中的腹足动物纲，属于单壳软体动物，也就是说，这个贝壳只有一个单壳或单片。

Members of the gastropod class, finger-size nudibranchs live fully exposed, their gills forming tufts on their backs.

腹足动物种类的成员，手指大小的裸鳃亚目动物居住完全暴露，它们的菌褶形成毛绒仰卧。

Any of various marine gastropod mollusks, chiefly of the genus Urosalpinx, that bore holes into the shells of bivalve mollusks.

海洋腹足动物海洋腹足纲软体动物，主要指在双壳类软体动物的贝壳上钻孔的骨螺属。

An animal with webbed feet .gastropods; bivalves; cephalopods; chitons.

腹足动物；双壳类；头足类动物；多板类。

All sorts of fossils are included in the mix, ranging from fossilised plants, trees, fish, reptiles and corals to gastropods, bivalves and crinoids.

这里有各种各样的化石，从植物、树木、鱼、爬行动物和珊瑚虫，到腹足动物、双壳类动物和海百合类动物都有。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。