hydroid

简明释义

英[ˈhaɪdrɔɪd]美[ˈhaɪdrɔɪd]

adj. 水螅虫的；水螅类的；水螅体的；息肉状的

n. 水螅虫；水螅类生物

英英释义

单词用法

同义词

反义词

例句

1.Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes.

以世代交替为特色的腔肠动物；通常群居的水螅阶段先于水母阶段；水螅和水母。

2.Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes.

以世代交替为特色的腔肠动物；通常群居的水螅阶段先于水母阶段；水螅和水母。

3.The marine biologist studied the life cycle of the hydroid 水螅 to understand its reproductive habits.

这位海洋生物学家研究了水螅的生命周期，以了解它的繁殖习性。

4.During the dive, we observed a colony of hydroid 水螅 thriving on the rocks.

潜水时，我们观察到一群水螅在岩石上繁茂生长。

5.In the aquarium, the hydroid 水螅 displayed fascinating feeding behaviors.

在水族馆中，水螅展示了迷人的捕食行为。

6.The hydroid 水螅 is often mistaken for a plant due to its appearance.

水螅常因外观而被误认为是一种植物。

7.The researcher collected samples of hydroid 水螅 from the coral reef for further analysis.

研究人员从珊瑚礁收集了水螅样本以进行进一步分析。

作文

The marine ecosystem is a complex web of life, with various organisms playing crucial roles in maintaining balance. One fascinating group of organisms found in these waters is the hydroids, which belong to the phylum Cnidaria. These creatures are often overlooked due to their small size and delicate appearance, yet they are essential components of the aquatic environment. The term hydroid refers to the colonial form of certain cnidarians, which can be found attached to substrates like rocks or seaweeds. They exhibit both a sessile phase and a medusa phase, showcasing their unique life cycle. Hydroids possess specialized cells called cnidocytes, which contain stinging structures known as nematocysts. These adaptations allow them to capture prey such as small fish and plankton, contributing to the food web. The presence of hydroid colonies can indicate a healthy marine environment, as they thrive in clean, nutrient-rich waters. Moreover, they serve as habitats for various marine species, including small fish and crustaceans that seek refuge among their tentacles.In addition to their ecological importance, hydroids have drawn the attention of researchers studying their potential medicinal properties. Some species produce compounds that may have antimicrobial or anti-inflammatory effects, making them subjects of interest in pharmaceutical research. The study of hydroid biology can also provide insights into the evolutionary history of multicellular organisms, as they represent some of the simplest forms of animal life.Despite their significance, hydroids face threats from climate change, pollution, and habitat destruction. Rising ocean temperatures can alter their distribution and reproductive patterns, while pollution can lead to declines in their populations. Conservation efforts must focus on protecting marine environments to ensure the survival of these remarkable organisms. Additionally, public awareness campaigns can help highlight the importance of hydroid conservation and the broader implications for marine biodiversity.In conclusion, hydroids are more than just delicate marine organisms; they are vital players in the ocean's ecosystem. Their unique biology, ecological roles, and potential applications in medicine make them worthy of study and protection. By understanding the significance of hydroid colonies, we can better appreciate the complexity of marine life and the importance of preserving our oceans for future generations.

海洋生态系统是一个复杂的生命网络，各种生物在维持平衡方面发挥着至关重要的作用。在这些水域中，发现了一组迷人的生物，即水螅，它们属于腔肠动物门。这些生物由于其小巧的体型和脆弱的外观而常常被忽视，但它们却是水生环境的重要组成部分。术语水螅指的是某些腔肠动物的群体形式，它们可以附着在岩石或海藻等基质上。它们展示了静止阶段和水母阶段，展示了其独特的生命周期。水螅拥有特殊的细胞，称为刺细胞，其中含有名为刺丝囊的刺击结构。这些适应性使它们能够捕捉小鱼和浮游生物等猎物，从而为食物网做出贡献。水螅群落的存在可以指示健康的海洋环境，因为它们在清洁、富营养的水域中茁壮成长。此外，它们还为各种海洋物种提供栖息地，包括在它们的触手之间寻找庇护的小鱼和甲壳类动物。除了生态重要性外，水螅还引起了研究人员对其潜在药用特性的关注。一些物种产生的化合物可能具有抗微生物或抗炎作用，使它们成为制药研究的研究对象。对水螅生物学的研究也可以提供对多细胞生物进化历史的见解，因为它们代表了一些最简单的动物生命形式。尽管它们具有重要意义，水螅仍面临气候变化、污染和栖息地破坏等威胁。海洋温度的上升可能会改变它们的分布和繁殖模式，而污染可能导致它们的种群下降。保护工作必须集中在保护海洋环境上，以确保这些非凡生物的生存。此外，公众意识活动可以帮助强调水螅保护的重要性及其对海洋生物多样性的更广泛影响。总之，水螅不仅仅是脆弱的海洋生物；它们是海洋生态系统中的重要角色。它们独特的生物学、生态角色以及在医学上的潜在应用使它们值得研究和保护。通过理解水螅群落的重要性，我们可以更好地欣赏海洋生命的复杂性以及保护我们的海洋以造福未来世代的重要性。