cephalopods

简明释义

英[ˈsefələpɒdz]美[ˈsefələpɑːdz]

n. 头足类动物

头足类动物的

英英释义

单词用法

同义词

反义词

例句

1.In the wild, this quick blush hides the cephalopods from their predators, as red objects are imperceptible under blue light.

在广阔的区域，这种快速的变红能使头足类动物不被捕食者发现，就像红色的物体在蓝光下不易被看见一样。

2.Like squid, they were swimming tentacled molluscs-a group called the cephalopods.

它们象鱿鱼一样是游动的触手软体动物，这类软体动物被称为头足类动物。

3.These cephalopods — they're technically not squids — live in the deep ocean with millions of other species, some of which are little-known and on which little study has been done.

这些严格说来并不是章鱼的头足类动物，与其它数百万物种一起住在深海之中，其中有一些几乎无人知晓也不曾有研究过。

4.Extinct for 65 million years, ammonites were Marine cephalopods that built chambered spiral shells. The walls between these Chambers, called sutures, were complex fractal curves.

已经灭绝了6500万年之久的菊石是一种带有多室螺旋状外壳的海洋头足类动物，其小室之间的阻隔即缝合线就是一种复杂的分形曲线。

5.The new standards adopted will go a long way towards protecting human health, as they set out new, maximum limits for lead in fish, cadmium in rice, marine bivalve molluscs and cephalopods.

通过的这些新标准将对保护人类健康大有帮助，因为它们提出鱼类中铅以及大米、海洋双壳贝类和头足类动物中镉的新的最高限量。

6.Some appear to have been attacked by the beaks of other cephalopods.

一些似乎曾被其他一些长着像鸟嘴一样的颚的头足类动物给攻击过。

7.The octopus is one of the most intelligent cephalopods in the ocean.

章鱼是海洋中最聪明的头足类动物之一。

8.The study of cephalopods has revealed fascinating insights into marine evolution.

对头足类动物的研究揭示了海洋进化的迷人见解。

9.Some cephalopods can change color and texture to blend into their surroundings.

一些头足类动物能够改变颜色和质地，以融入周围环境。

10.During my dive, I spotted several cephalopods hiding among the rocks.

在我的潜水过程中，我发现几只头足类动物藏在岩石之间。

11.Many marine biologists study cephalopods to understand their complex behaviors.

许多海洋生物学家研究头足类动物以了解它们复杂的行为。

作文

Cephalopods are a fascinating group of marine animals that belong to the class Cephalopoda. This class includes creatures such as octopuses, squids, cuttlefish, and nautiluses. The term cephalopods (头足类动物) is derived from the Greek words 'kephalē,' meaning head, and 'pous,' meaning foot, which reflects their unique anatomy where the head is connected directly to the body. These animals are known for their remarkable intelligence, complex behaviors, and exceptional adaptations to their environments.One of the most striking features of cephalopods (头足类动物) is their ability to change color and texture. This capability is primarily due to specialized cells in their skin called chromatophores, which contain different pigments. By expanding or contracting these cells, cephalopods (头足类动物) can blend into their surroundings, communicate with each other, or even warn predators. For example, the common octopus can display a range of colors and patterns, making it a master of disguise in the ocean.In addition to their camouflage abilities, cephalopods (头足类动物) are also known for their impressive locomotion. They possess a unique method of movement by expelling water from a muscular siphon, allowing them to propel themselves swiftly through the water. This jet propulsion mechanism enables cephalopods (头足类动物) to escape predators quickly and navigate their aquatic environment efficiently.The intelligence of cephalopods (头足类动物) is another remarkable aspect of their biology. Studies have shown that octopuses, in particular, exhibit problem-solving skills, learning abilities, and even play behavior. They have complex nervous systems and large brains relative to their body size, which contribute to their cognitive abilities. For instance, octopuses can open jars to access food, demonstrating their capacity for learning and memory.Moreover, cephalopods (头足类动物) have a unique reproductive strategy. Most species are semelparous, meaning they reproduce only once in their lifetime. Female cephalopods (头足类动物) lay thousands of eggs and devote their energy to protecting and caring for them until they hatch. After the eggs hatch, the female often dies, completing her life cycle. This strategy allows for a high number of offspring but comes at a significant cost to the mother.The ecological roles of cephalopods (头足类动物) are also noteworthy. They are important predators in marine ecosystems, feeding on fish, crustaceans, and other smaller marine organisms. At the same time, they serve as prey for larger animals, including sharks, seals, and seabirds. This dual role highlights the significance of cephalopods (头足类动物) in maintaining the balance of marine food webs.In conclusion, cephalopods (头足类动物) are remarkable creatures that showcase the diversity and complexity of marine life. Their unique adaptations, intelligence, and ecological importance make them a subject of fascination for scientists and nature enthusiasts alike. As we continue to explore the oceans, understanding cephalopods (头足类动物) will provide valuable insights into the mysteries of marine ecosystems and the evolution of intelligence in the animal kingdom.

头足类动物是一个迷人的海洋动物群体，属于头足纲。这个类别包括章鱼、鱿鱼、墨鱼和鹦鹉螺等生物。术语cephalopods（头足类动物）源于希腊词“kephalē”，意为头，以及“pous”，意为足，这反映了它们独特的解剖结构，即头部直接与身体相连。这些动物因其卓越的智力、复杂的行为和对环境的特殊适应而闻名。cephalopods（头足类动物）最引人注目的特征之一是它们改变颜色和质地的能力。这种能力主要归功于它们皮肤中称为色素细胞的特殊细胞，这些细胞含有不同的色素。通过扩张或收缩这些细胞，cephalopods（头足类动物）可以融入周围环境、彼此沟通，甚至警告捕食者。例如，普通章鱼可以展示出一系列颜色和图案，使其在海洋中成为伪装的高手。除了伪装能力，cephalopods（头足类动物）还以其令人印象深刻的运动方式而闻名。它们拥有一种独特的运动方式，通过从肌肉虹吸管中喷出水来迅速推进自己。这种喷射推进机制使得cephalopods（头足类动物）能够快速逃避捕食者，并有效地在水中导航。cephalopods（头足类动物）的智力是其生物学的另一个显著方面。研究表明，尤其是章鱼表现出解决问题的能力、学习能力甚至玩耍行为。它们具有复杂的神经系统和相对于体重大小的较大脑容量，这促进了它们的认知能力。例如，章鱼能够打开罐子来获取食物，展示了它们的学习和记忆能力。此外，cephalopods（头足类动物）具有独特的繁殖策略。大多数物种是单次繁殖的，这意味着它们一生只繁殖一次。雌性cephalopods（头足类动物）产下成千上万的卵，并将其能量投入到保护和照顾这些卵，直到它们孵化。在卵孵化后，雌性通常会死亡，完成她的生命周期。这种策略允许大量后代，但对母体来说成本很高。cephalopods（头足类动物）的生态角色也值得注意。它们是海洋生态系统中重要的捕食者，以鱼类、甲壳类动物和其他较小的海洋生物为食。同时，它们也作为大型动物的猎物，包括鲨鱼、海豹和海鸟。这种双重角色突显了cephalopods（头足类动物）在维持海洋食物网平衡中的重要性。总之，cephalopods（头足类动物）是非凡的生物，展示了海洋生命的多样性和复杂性。它们独特的适应能力、智力和生态重要性使它们成为科学家和自然爱好者的关注对象。随着我们继续探索海洋，理解cephalopods（头足类动物）将为揭示海洋生态系统的奥秘及动物王国中智力演化提供宝贵的见解。