gastropods

简明释义

英[ˈɡæstrəpɒdz]美[ˈɡæstrəˌpɑdz]

n. [无脊椎]腹足类（gastropod 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.Any of various tropical Marine gastropods of the family Cypraeidae, having glossy, often brightly marked shells, some of which are used as currency in the South Pacific and Africa.

子安贝任一种宝贝科中的热带海洋腹足纲软体动物，有光滑的，通常是贝壳泽斑纹的贝壳，在南太平洋地区和非洲，有些贝壳被当作货币使用。

2.Any of various tropical Marine gastropods of the family Cypraeidae, having glossy, often brightly marked shells, some of which are used as currency in the South Pacific and Africa.

子安贝任一种宝贝科中的热带海洋腹足纲软体动物，有光滑的，通常是贝壳泽斑纹的贝壳，在南太平洋地区和非洲，有些贝壳被当作货币使用。

3.Now we have recovered invertebrate fossils, such as bivalves, conchostracans, gastropods and ostracodes, in the dinosaurian egg-bearing strata.

本次研究在西峡盆地含恐龙蛋地层中首次发现了无脊椎动物化石，如双壳类、叶肢介、腹足类和介形类。

4.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。

5.Predaceous gastropods reduced the abundance of herbivorous molluscs and sessile invertebrates.

肉食性腹足类减少了草食性软体动物和固着无脊椎动物的数量；

6.Any of various Marine gastropods, such as a periwinkle, having a spiral shell.

任一种海栖软体动物，如滨螺，长有螺旋形的壳。

7.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。

8.Hutts most closely resemble gastropods, moving about on a single, giant foot.

赫特人与腹足纲软体动物最为相似，以一只巨大的腹足挪动身躯。

9.It has been little known about gastropods in Raoping of Guangdong Province.

首次报道了广东饶平海山区腹足类。

10.Many marine biologists study gastropods to understand their role in the ecosystem.

许多海洋生物学家研究腹足类动物以了解它们在生态系统中的作用。

11.The colorful shells of gastropods can often be found on sandy beaches.

在沙滩上经常可以找到五彩斑斓的腹足类动物壳。

12.Some gastropods are known for their ability to produce beautiful pearls.

一些腹足类动物以其能产生美丽珍珠而闻名。

13.In culinary dishes, certain gastropods like snails are considered delicacies.

在烹饪菜肴中，某些腹足类动物如蜗牛被视为美味佳肴。

14.The fossil record shows that gastropods have existed for millions of years.

化石记录显示，腹足类动物已经存在了数百万年。

作文

Gastropods are a fascinating group of animals that belong to the class Gastropoda, which is part of the phylum Mollusca. This diverse class includes snails, slugs, and many other creatures that inhabit various environments, from oceans to freshwater bodies and even terrestrial ecosystems. The term gastropods (腹足纲) comes from the Greek words 'gastro' meaning stomach and 'pod' meaning foot, which reflects the unique anatomy of these organisms. Unlike other mollusks, gastropods have a distinct body plan that allows them to adapt to their surroundings effectively. One of the most interesting features of gastropods (腹足纲) is their ability to undergo torsion, a developmental process that twists their body and internal organs. This adaptation allows them to retract into their shells for protection against predators. The shell itself can vary greatly in shape, size, and color, serving not only as a protective barrier but also as a means of camouflage. Some gastropods (腹足纲) have evolved to lose their shells entirely, like slugs, which rely on their slimy bodies for moisture retention and movement through various terrains. The feeding habits of gastropods (腹足纲) are equally diverse. Many are herbivorous, using their radula—a specialized feeding organ—to scrape algae off rocks or consume plant material. Others are carnivorous, preying on smaller marine animals or scavenging on dead organisms. This adaptability in diet allows gastropods (腹足纲) to thrive in different ecological niches, contributing to the balance of their respective ecosystems. In terms of reproduction, gastropods (腹足纲) exhibit a wide range of strategies. Some species are hermaphroditic, possessing both male and female reproductive organs, which increases their chances of finding a mate in sparse populations. Others have distinct sexes and engage in elaborate courtship behaviors. The fertilized eggs can develop into free-swimming larvae or hatch directly into miniature adults, depending on the species and environmental conditions. The ecological importance of gastropods (腹足纲) cannot be overstated. They play crucial roles in nutrient cycling, soil formation, and as indicators of environmental health. For instance, the presence of certain gastropods (腹足纲) in a habitat can signal the quality of the ecosystem, as some are sensitive to pollution and habitat degradation. Moreover, they serve as food for a variety of predators, including birds, mammals, and other marine animals, thus forming an integral part of the food web. In conclusion, gastropods (腹足纲) are an incredibly diverse and adaptable group of animals that showcase the wonders of evolution and ecological interdependence. Their unique anatomical features, varied feeding habits, and significant roles in ecosystems make them a subject of interest for scientists and nature enthusiasts alike. Understanding the biology and ecology of gastropods (腹足纲) not only enhances our appreciation for these remarkable creatures but also underscores the importance of conserving their habitats to maintain biodiversity and ecological balance.

腹足纲是一类迷人的动物，属于腹足纲，这个类别是软体动物门的一部分。这一多样化的类别包括蜗牛、蛞蝓以及许多其他生活在不同环境中的生物，从海洋到淡水体，甚至是陆地生态系统。术语gastropods（腹足纲）源于希腊词“gastro”，意为胃，“pod”意为脚，这反映了这些生物独特的解剖结构。与其他软体动物不同，腹足纲具有独特的身体结构，使它们能够有效地适应周围环境。 gastropods（腹足纲）最有趣的特征之一是它们能够经历扭转，这是一种发育过程，扭曲它们的身体和内部器官。这种适应性使它们能够在受到捕食者攻击时缩回到壳内。壳本身在形状、大小和颜色上可以有很大的变化，不仅作为保护屏障，还作为伪装的手段。一些gastropods（腹足纲）已经进化到完全失去壳体，例如蛞蝓，它们依靠湿滑的身体在各种地形中保持水分和移动。 gastropods（腹足纲）的取食习惯同样多种多样。许多是食草动物，使用它们的舌齿——一种特殊的取食器官——从岩石上刮取藻类或食用植物材料。其他则是肉食性的，以较小的海洋动物为食或在死去的生物上觅食。这种饮食适应性使得gastropods（腹足纲）能够在不同的生态位中繁衍生息，有助于维持各自生态系统的平衡。 在繁殖方面，gastropods（腹足纲）表现出广泛的策略。有些物种是雌雄同体的，拥有雄性和雌性生殖器官，这增加了在稀疏种群中找到配偶的机会。其他则有明显的性别，并进行复杂的求偶行为。受精卵可以根据物种和环境条件的发展形成自由游动的幼虫，或直接孵化成微型成体。 gastropods（腹足纲）在生态上的重要性不容小觑。它们在营养循环、土壤形成和作为环境健康指标方面发挥着关键作用。例如，某些gastropods（腹足纲）在栖息地中的存在可以表明生态系统的质量，因为一些对污染和栖息地退化敏感。此外，它们还作为各种捕食者的食物，包括鸟类、哺乳动物和其他海洋动物，因此在食物链中形成了不可或缺的一部分。 总之，gastropods（腹足纲）是一类极其多样和适应性强的动物，展示了进化和生态相互依存的奇迹。它们独特的解剖特征、多样的取食习惯以及在生态系统中的重要角色，使它们成为科学家和自然爱好者关注的对象。了解gastropods（腹足纲）的生物学和生态学不仅增强了我们对这些非凡生物的欣赏，也强调了保护其栖息地以维持生物多样性和生态平衡的重要性。