crinoid

简明释义

英[ˈkraɪnɔɪd]美[ˈkraɪnɔɪd]

n. 海百合纲动物

adj. 海百合纲的，海百合类的；百合样的

英英释义

单词用法

同义词

反义词

例句

1.Marine reptiles and echinoderm crinoid that feature intact and delicate preservation and large quantity serve as the mark.

以保存完整精美、数量巨大的海生爬行类和棘皮动物海百合为标志。

2.While we were diving over a beautiful untouched reef, I noticed this crinoid in the distance because of its unusual colors.

当我们潜到一处美丽的、未遭过破坏的礁石时，我注意到远方那颜色非比寻常的海百合。

3.Also, in the rocks, there are fossils. This is the stem of a crinoid, It's about 250 million years old, so the history of the planet is recorded in the rocks as you pass by life on the planet.

另外，岩石里有化石，这是海百合的茎，有2.5亿年历史，地球的历史被刻画在石头上，地球上生物的历史也是如此。

4.In 1992, the author found fossil crinoid stems in crystalline limestone at Xia-zhuang, Wenchuan, which were determined to be of Ordovician age.

笔者1992年在汶川下庄的结晶灰岩中采到了海百合茎化石，证实其时代属奥陶纪。

5.Recently a rich and well preserved crinoid community has been found in the Late Triassic Wayao Formation in Guanling County, Guizhou Province, China.

在贵州省关岭地区上三叠统瓦窑组地层中发现了保存完好的海百合化石群。

6.Also, in the rocks, there are fossils. This is the stem of a crinoid, It's about 250 million years old, so the history of the planet is recorded in the rocks as you pass by life on the planet.

另外，岩石里有化石，这是海百合的茎，有2.5亿年历史，地球的历史被刻画在石头上，地球上生物的历史也是如此。

7.The delicate arms of a crinoid 海百合 can be seen waving gently in the current.

一只海百合的细长触手可以在水流中轻轻摇摆。

8.Many marine biologists study crinoids 海百合 to understand their ecological roles.

许多海洋生物学家研究海百合以了解它们的生态角色。

9.The fossil record shows that crinoids 海百合 were abundant during the Paleozoic era.

化石记录显示，海百合在古生代时期非常丰富。

10.Some species of crinoids 海百合 can regenerate lost arms after injury.

一些海百合物种在受伤后可以再生失去的触手。

11.In some coral reefs, crinoids 海百合 provide habitat for small fish and invertebrates.

在一些珊瑚礁中，海百合为小鱼和无脊椎动物提供栖息地。

作文

The world of marine biology is filled with fascinating creatures, one of which is the crinoid. These unique animals belong to the class Crinoidea and are often referred to as sea lilies or feather stars. They have a long evolutionary history, dating back to the Cambrian period, and are known for their delicate, flower-like appearance. The crinoid has a central body with numerous feathery arms that extend outward, creating a stunning visual display in the underwater environment. One of the most intriguing aspects of crinoids is their feeding mechanism. They are filter feeders, using their arms to capture tiny particles and plankton from the water. This feeding strategy allows them to thrive in various marine habitats, from shallow waters to the deep sea. The arms of a crinoid are lined with tube feet, which help to trap food as water flows over them. This adaptation showcases the remarkable way in which evolution has shaped these creatures to survive in their environments.In addition to their feeding habits, crinoids play an essential role in the marine ecosystem. They provide habitat for various small marine organisms, contributing to the biodiversity of the ocean floor. Their presence can indicate the health of marine environments, as they are sensitive to changes in water quality and habitat destruction. Therefore, studying crinoids can give scientists valuable insights into the overall state of marine ecosystems.Despite their beauty and ecological importance, crinoids face threats from human activities. Overfishing, habitat destruction, and climate change pose significant risks to their populations. Conservation efforts are crucial to ensure that these ancient creatures continue to thrive in our oceans. Marine protected areas and sustainable fishing practices can help safeguard crinoids and their habitats, allowing future generations to appreciate their elegance and ecological significance.In conclusion, the crinoid is a remarkable example of the diversity of life found in the ocean. Its unique anatomy, feeding strategies, and ecological role highlight the intricate connections within marine ecosystems. As we continue to explore and understand the ocean, it is essential to protect these fascinating creatures and their habitats. By doing so, we not only preserve the beauty of the underwater world but also ensure the health of our planet's ecosystems for years to come.

海洋生物学的世界充满了迷人的生物，其中之一就是海百合。这些独特的动物属于海百合纲，通常被称为海百合或羽毛星。它们拥有悠久的进化历史，可以追溯到寒武纪，以其精致的花朵般的外观而闻名。海百合有一个中心体，周围延伸出许多羽毛状的臂，形成了水下环境中令人惊叹的视觉展示。海百合最引人入胜的方面之一是它们的捕食机制。它们是过滤饲养者，利用自己的手臂从水中捕获微小颗粒和浮游生物。这种觅食策略使它们能够在各种海洋栖息地中生存，从浅水区到深海。海百合的手臂上布满了管足，这帮助它们在水流经过时捕获食物。这种适应性展示了进化如何塑造这些生物以在其环境中生存。除了它们的觅食习惯，海百合在海洋生态系统中也发挥着重要作用。它们为各种小型海洋生物提供栖息地，促进了海底的生物多样性。它们的存在可以指示海洋环境的健康，因为它们对水质变化和栖息地破坏非常敏感。因此，研究海百合可以为科学家提供有关海洋生态系统整体状况的宝贵见解。尽管它们美丽且生态重要，但海百合面临着来自人类活动的威胁。过度捕捞、栖息地破坏和气候变化对其种群构成重大风险。保护工作对于确保这些古老生物在我们的海洋中继续繁衍生息至关重要。海洋保护区和可持续渔业实践可以帮助保护海百合及其栖息地，使未来几代人能够欣赏它们的优雅和生态意义。总之，海百合是海洋中生命多样性的一个非凡例子。它独特的解剖结构、觅食策略和生态角色突显了海洋生态系统内复杂的联系。随着我们继续探索和理解海洋，保护这些迷人的生物及其栖息地至关重要。通过这样做，我们不仅能保护水下世界的美丽，还能确保我们星球生态系统的健康，造福未来的岁月。