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汉语拼音：ruǎn tǐ dòng wù

无脊椎动物的一门，体柔软，没有环节，两侧对称，足是肉质，多数具有钙质的硬壳，生活在水中或陆地上，包括腹足类、头足类、双壳类等。

1. 无脊椎动物的一门，体柔软，没有环节，两侧对称，足是肉质，多数具有钙质的硬壳，生活范围很广，水中和陆地上都有，如蚌、螺、蜗牛、乌贼等。

• The snail's eye, a more sophisticated version of that of the nautilus mollusk, works rather like the aperture of a pinhole camera.

  是一种比鹦鹉螺类软体动物更复杂的眼睛，工作原理像是针孔相机。

• Boys are made of errant amphibians, mollusks and puppy parts while girls are made of sugar and spice and all that's nice.

  男孩是由爱捣乱的两栖动物、懒惰的软体动物和活泼的小狗组成的，而女孩是由糖、香料和其他一切美好的事物所组成的。

• They creep along the seabed, their whisker vibrissae probing the surface to feel for the tubes of buried mollusks.

  牠们沿海底爬行，用胡子般的触须探测海床，搜寻埋在底下的管状软体动物。

• He has subsequently retired, as if eating food was too demanding a task for a cephalopod mollusk.

  其后，他退休了，好像吃的食物要求太严格了一个头足类软体动物的任务。

• veliger Second stage in larval life of certain mollusks, developed from a trochophore, where the head bears a velum .

  面盘幼虫某些软体动物幼虫生活史的第二个阶段，从担轮幼虫发育，在头部有一个盖膜。

• Just as an acid descaler breaks apart limescale inside a kettle, so the shells that protect molluscs and other creatures will be dissolved.

  正如酸性清洁剂溶解水壶内的水垢，保护软体动物和其他生物的外壳也会被酸性海水溶解。

• This species prefers to stay near reefs or sandy shallows where they dig crustaceans and mollusks out of the substrate.

  它们喜欢待在礁石附近或者沙质的浅滩，因为在那里又很多的甲壳类动物和软体动物可以被挖出来，供它们大快朵颐。

• One of the paired, hinged shells of certain mollusks and of brachiopods.

  某些软体动物或鳃足动物的成对的、铰接开合的贝壳之一

• Oysters are a very delicate species of mollusk whose lives and prosperities are measures of the environmental conditions they inhabit.

  牡蛎是软体动物中非常奇妙的一个种类，他们的生活和习性取决于他们居住的环境。