mollusks

简明释义

英[ˈmɒl.əsk]美[ˈmɑː.ləsk]

n. [无脊椎]软体动物（mollusk 的复数）；[无脊椎]软体动物类

英英释义

单词用法

同义词

反义词

例句

1.Evolution of mollusks proceeded at a uniform rate over time.

"随着时间的推移，软体动物的进化速度是一致的。

2.Rare and reclusive, these mollusks spend most of their lives hiding under rocks in the cracks and crevices of reefs in the South Pacific.

这些软体动物是非常珍稀和隐蔽的，它们大多在南太平洋的岩石裂缝中度过其大部分的寿命。

3.The Woods Hole study found that many Marine animals like mollusks and corals that build hard shells and skeletons are most at risk from this.

伍兹·霍尔海洋学研究所的研究发现，许多海洋动物，如生长硬壳和骨架的软体动物和珊瑚是最危险的。

4.We found a total of 38 species, belonging to 23 families, 8 classes and 7 phyla, most of them were arthropods and mollusks.

共发现大型底栖动物38种，隶属7门8纲23科，主要为软体动物、节肢动物和环节动物多毛类。

5.A protective capsule of certain animals, such as insects and mollusks, that contains eggs; an ootheca.

昆虫和软体动物等一些动物的装卵的保护囊；卵鞘。

6.Other They eat other fish, crustaceans, mollusks, and octopus.

它们吃其他的鱼类、甲壳类、软体动物和章鱼。

7.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。

8.In some cultures, mollusks are considered a delicacy.

在一些文化中，软体动物被视为美味佳肴。

9.Some mollusks like octopuses are known for their intelligence.

一些软体动物如章鱼以其智力而闻名。

10.The shells of mollusks can be found on many beaches around the world.

世界各地的许多海滩上都可以找到软体动物的贝壳。

11.Many marine biologists study mollusks to understand their role in the ecosystem.

许多海洋生物学家研究软体动物以了解它们在生态系统中的作用。

12.Oysters are a type of mollusks that are often eaten raw.

生蚝是一种常常生吃的软体动物。

作文

Mollusks, known scientifically as 软体动物, are a diverse group of invertebrates that include creatures such as snails, clams, and octopuses. These fascinating animals are characterized by their soft bodies, which are often protected by a hard shell made of calcium carbonate. The diversity of 软体动物 is astounding; they can be found in various environments, from deep ocean floors to freshwater lakes and even on land. This adaptability makes them an essential part of many ecosystems.One of the most intriguing aspects of 软体动物 is their body structure. Most have a muscular foot that they use for movement, while others, like octopuses, have evolved unique adaptations that allow them to navigate their surroundings with incredible agility. The foot is also used for feeding in many species, allowing them to graze on algae or dig into the sand for buried prey.The shell of many 软体动物 serves multiple purposes. It not only provides protection from predators but also plays a role in buoyancy and habitat. For instance, the shells of marine snails can be quite intricate, featuring beautiful patterns and colors that serve as camouflage against the ocean floor. However, not all 软体动物 possess shells; octopuses, for example, have lost their shells through evolution, relying instead on their intelligence and ability to change color and texture for protection.Reproduction in 软体动物 varies widely among different species. Some, like many snails, are hermaphrodites, possessing both male and female reproductive organs. Others, like clams, have separate sexes and rely on external fertilization, releasing eggs and sperm into the water simultaneously. This reproductive strategy can lead to a high number of offspring, increasing the chances of survival in a competitive environment.Ecologically, 软体动物 play vital roles. They are important food sources for many animals, including birds, fish, and mammals. Additionally, they contribute to the health of marine ecosystems by grazing on algae and helping to maintain the balance of aquatic environments. For example, the presence of healthy populations of bivalves (a class of 软体动物 that includes clams and oysters) can improve water quality by filtering out pollutants and excess nutrients.Despite their importance, many species of 软体动物 are facing threats due to human activities. Overfishing, habitat destruction, and pollution have led to declines in many populations. Conservation efforts are crucial to protect these remarkable creatures and ensure their survival for future generations. By understanding the significance of 软体动物 in our ecosystems, we can appreciate the need for sustainable practices that safeguard their habitats.In conclusion, 软体动物 are a fascinating and essential group of animals that contribute significantly to biodiversity and ecosystem health. Their unique adaptations, varied reproductive strategies, and ecological roles highlight the importance of studying and protecting these invertebrates. As we continue to explore the wonders of the natural world, let us not forget the incredible diversity of life that exists within the realm of 软体动物.

软体动物，科学上称为软体动物，是一类多样化的无脊椎动物，包括蜗牛、蛤蜊和章鱼等生物。这些迷人的动物以其柔软的身体为特征，通常由碳酸钙制成的坚硬外壳保护着。软体动物的多样性令人惊叹；它们可以在各种环境中找到，从深海底到淡水湖，甚至在陆地上。这种适应能力使它们成为许多生态系统的重要组成部分。软体动物最引人入胜的方面之一是它们的身体结构。大多数有一个肌肉发达的足部，用于移动，而像章鱼这样的生物则进化出独特的适应性，使它们能以惊人的灵活性在环境中穿行。足部在许多物种的进食中也起着重要作用，使它们能够吃藻类或挖掘沙子中的埋藏猎物。许多软体动物的外壳具有多重用途。它不仅提供了对捕食者的保护，还在浮力和栖息地中发挥作用。例如，海洋蜗牛的外壳可能相当复杂，具有美丽的图案和颜色，可以作为对海底的伪装。然而，并非所有的软体动物都有外壳；例如，章鱼通过进化失去了外壳，依靠其智力和改变颜色及质地的能力进行保护。软体动物的繁殖在不同物种之间差异很大。有些，如许多蜗牛，是雌雄同体，具有雄性和雌性的生殖器官。其他物种，如蛤蜊，则有不同的性别，并依赖外部受精，同时将卵子和精子释放到水中。这种繁殖策略可以导致大量后代的产生，提高在竞争环境中生存的机会。在生态上，软体动物扮演着至关重要的角色。它们是许多动物的重要食物来源，包括鸟类、鱼类和哺乳动物。此外，它们通过吃藻类并帮助维持水生环境的平衡来促进海洋生态系统的健康。例如，健康的双壳类（包括蛤蜊和牡蛎）种群的存在可以通过过滤污染物和过量营养物质来改善水质。尽管它们的重要性，许多软体动物物种正面临人类活动带来的威胁。过度捕捞、栖息地破坏和污染导致许多种群数量下降。保护工作对于保护这些非凡生物并确保其在未来世代中的生存至关重要。通过了解软体动物在我们生态系统中的重要性，我们可以欣赏到需要可持续实践来保护其栖息地。总之，软体动物是一类迷人且至关重要的动物，对生物多样性和生态系统健康做出了重大贡献。它们独特的适应性、多样的繁殖策略和生态角色突显了研究和保护这些无脊椎动物的重要性。当我们继续探索自然界的奇迹时，让我们不要忘记在软体动物的领域中存在的令人难以置信的生命多样性。