coelenterate

简明释义

英[siː'lent(ə)reɪt;-rət]美[sɪˈlentəreɪt]

adj. 腔肠动物的

n. 腔肠动物

英英释义

单词用法

同义词

反义词

例句

1.Chitosan is material from deacetylation of chitin, which from arthropod, coelenterate, annelids, protozoans, part of algae and fungi.

壳聚糖是来源于节肢、肠腔、环节、原生动物及海藻和真菌类的甲壳素类物质脱去乙酰基的产物。

2.The flat, free-swimming, ciliated larva of a coelenterate.

浮浪幼体腔肠动物其扁平的，能自由浮游的，有纤毛的幼体。

3.Therefore, it has the prominent position in the origin and evolutionary history of organisms. Perhaps the star-like organism represents the early types of coelenterate with original tentacles.

而腔肠动物的出现标志着真后生动物的开始，在生物起源演化历程上占据着极其关键的位置。

4.A coelenterate, such AS a hydra or coral, having a cylindrical body and an oral opening usually surrounded by tentacles.

水螅型珊瑚虫，水螅虫一种有柱状身体和通常被触角包围的口部开口的腔肠动物，比如水螅或珊瑚虫。

5.Therefore, it has the prominent position in the origin and evolutionary history of organisms. Perhaps the star-like organism represents the early types of coelenterate with original tentacles.

而腔肠动物的出现标志着真后生动物的开始，在生物起源演化历程上占据着极其关键的位置。

6.This system found in some animals, and most of the coelenterate porous, they are Camp fixation living or planktonic life, from either side of the body to stimulate feelings or obtain food.

这种体制见于部分多孔动物和多数腔肠动物，它们营固着生活或浮游生活，能够从身体的任何一面感受刺激或取得食物。

7.Coral rock: coral rock, coral is a kind of life in the sea posture is exquisite, colour elegant coelenterate, called polyps.

珊瑚石：珊瑚石，珊瑚是一种生活在海洋里体态玲珑，色彩高雅的腔肠动物，名曰珊瑚虫。

8.The study of marine biology often includes the classification of various species, including the coelenterate 腔肠动物 like jellyfish and corals.

海洋生物学的研究通常包括对各种物种的分类，包括像水母和珊瑚这样的腔肠动物。

9.During our dive, we encountered a stunning array of coelenterates 腔肠动物, including vibrant sea anemones.

在我们的潜水过程中，我们遇到了令人惊叹的各种腔肠动物，包括色彩斑斓的海葵。

10.The venom of some coelenterates 腔肠动物 can be harmful to humans, making it important to handle them with care.

一些腔肠动物的毒液对人类有害，因此小心处理它们非常重要。

11.In our aquarium, we have a special section dedicated to coelenterates 腔肠动物, showcasing their diverse forms.

在我们的水族馆中，有一个专门展示腔肠动物的专区，展示它们多样的形态。

12.Researchers are investigating how climate change affects the habitats of coelenterates 腔肠动物 in coral reefs.

研究人员正在调查气候变化如何影响珊瑚礁中腔肠动物的栖息地。

作文

The term coelenterate refers to a diverse group of aquatic animals that belong to the phylum Cnidaria. This phylum includes well-known organisms such as jellyfish, corals, and sea anemones. These creatures share certain key characteristics that define them as coelenterates (腔肠动物). One of the most remarkable features of coelenterates is their unique body structure, which consists of a simple sac-like form with a single opening surrounded by tentacles. This design allows them to capture prey and defend themselves from predators effectively.The body of a coelenterate is composed of two main layers of cells: the outer epidermis and the inner gastrodermis, with a gelatinous substance called mesoglea in between. This structure not only provides support but also plays a crucial role in their buoyancy in water. The presence of specialized cells known as cnidocytes, which contain stinging organelles called nematocysts, is another defining feature of coelenterates. These cells enable them to capture and immobilize prey, making them efficient hunters in their aquatic environments.In terms of reproduction, coelenterates exhibit both sexual and asexual methods. Many species can reproduce asexually through budding, where new individuals grow from the parent organism. Others have complex life cycles that involve both polyp and medusa forms, showcasing their adaptability and resilience. For instance, the jellyfish, which is a free-swimming medusa, can produce eggs and sperm to create larvae that settle on the ocean floor and develop into polyps.Ecologically, coelenterates play a vital role in marine ecosystems. Coral reefs, formed by the calcium carbonate skeletons of coral polyps, are among the most diverse and productive ecosystems on the planet. They provide habitat and shelter for countless marine species, contributing to biodiversity. However, these ecosystems are under threat from climate change, pollution, and overfishing, highlighting the importance of conservation efforts to protect coelenterates and their habitats.Moreover, coelenterates are not only significant for their ecological roles but also for their contributions to scientific research. Their unique biological properties, such as bioluminescence in some jellyfish species, have sparked interest in various fields, including medicine and biotechnology. Researchers study these organisms to uncover potential applications in areas such as cancer treatment and environmental monitoring.In conclusion, understanding coelenterates (腔肠动物) is essential for appreciating the complexity of marine life and the interconnectedness of ecosystems. Their unique characteristics, reproductive strategies, and ecological significance make them a fascinating subject of study. As we continue to explore the oceans, it is crucial to recognize the importance of protecting coelenterates and their habitats to ensure the health and sustainability of our planet's marine environments.

术语coelenterate指的是属于腔肠动物门的一类多样化的水生动物。这个门包括众所周知的生物，如水母、珊瑚和海葵。这些生物共享一些关键特征，定义了它们作为coelenterates（腔肠动物）。coelenterates最显著的特征之一是它们独特的身体结构，由一个简单的袋状形态组成，只有一个开口，周围有触手。这种设计使它们能够有效捕捉猎物并防御捕食者。coelenterate的身体由两层主要细胞组成：外部表皮和内部消化层，中间夹着一种称为胶质体的物质。这种结构不仅提供支持，还在它们在水中的浮力中发挥关键作用。特化细胞的存在被称为刺细胞，这些细胞含有叫做刺丝囊的刺细胞器，是coelenterates的另一个定义特征。这些细胞使它们能够捕捉和麻痹猎物，使它们在水生环境中成为高效的捕猎者。在繁殖方面，coelenterates表现出有性和无性两种方法。许多物种可以通过出芽无性繁殖，新的个体从亲本生长而来。其他物种则具有复杂的生命周期，涉及水螅和水母形态，展示了它们的适应能力和韧性。例如，水母是一种自由游动的水母，可以产生卵子和精子形成幼虫，这些幼虫会在海床上定居并发育成水螅。在生态上，coelenterates在海洋生态系统中发挥着至关重要的作用。珊瑚礁是由珊瑚水螅的碳酸钙骨骼形成的，是地球上最具多样性和生产力的生态系统之一。它们为无数海洋物种提供栖息地和庇护，促进生物多样性。然而，这些生态系统正面临气候变化、污染和过度捕捞的威胁，突显了保护coelenterates及其栖息地的重要性。此外，coelenterates不仅因其生态角色而重要，还因其对科学研究的贡献而受到关注。它们独特的生物特性，例如某些水母物种的生物发光，激发了各个领域的兴趣，包括医学和生物技术。研究人员研究这些生物，以发掘在癌症治疗和环境监测等领域的潜在应用。总之，理解coelenterates（腔肠动物）对于欣赏海洋生命的复杂性和生态系统的相互联系至关重要。它们独特的特征、繁殖策略和生态重要性使它们成为一个迷人的研究对象。随着我们继续探索海洋，认识到保护coelenterates及其栖息地的重要性，以确保我们地球海洋环境的健康和可持续性，是至关重要的。