liverworts

简明释义

英[/ˈlɪvərˌwɜrts/]美[/ˈlɪvərˌwɜrts/]

n. 苔类（liverwort 的复数形式）；苔纲

英英释义

单词用法

同义词

反义词

例句

1.That confirms liverworts are likely to be the ancestors of all land plants.

这证明了苔类植物很可能是所有陆地植物的鼻祖。

2.Guizhou species richness and the complex and diverse fauna, making Guizhou has a unique sub-tropical vegetation in the nature, which accounts rich occurrence of epiphyllous liverworts in this region.

贵州物种的丰富性和区系的复杂多样，使得贵州植被具有独特的亚热带性质，并在这样的气候条件下孕育了丰富的叶附生苔种类。

3.Experts have confirmed that the fossilised plants are liverworts, a simple species which has no roots or stems.

在这里输入译文专家已经证实这些植物化石是一种没有根和茎的原始苔类。

4.Fossils found: Modern liverworts are one of the oldest known species of plant, thought to have evolved from algae.

发现的化石：现在的苔类是已知的最古老的一种植物，可能进化自藻类。

5.Liverworts with gametophyte differentiated internally.

内部配偶体不同的地钱。

6.It's a short tour - no time even to peek into the rooms that contain 1.5 million specimens of fungi, algae, lichens, mosses and liverworts.

那是一次速览——连往藏有一千五百万菌类、藻类、地衣类、藓类和苔类标本的诸多房间里看一眼的时间都没有。

7.Then I stopped once more, for the crawling multitude of crabs had disappeared, and the red beach, save for its livid green liverworts and lichens, seemed lifeless.

我再次停下，因为那一群群爬行的蟹已经消失无踪，而红色海滩上除了青灰色的地钱和靑苔外，似乎再无其它生物。

8.Guizhou species richness and the complex and diverse fauna, making Guizhou has a unique sub-tropical vegetation in the nature, which accounts rich occurrence of epiphyllous liverworts in this region.

贵州物种的丰富性和区系的复杂多样，使得贵州植被具有独特的亚热带性质，并在这样的气候条件下孕育了丰富的叶附生苔种类。

9.Sporogonium the sporophyte generation in mosses and liverworts. it develops from the zygote and comprises the foot, seta, and capsule. the sporogonium is parasitic on the gametophyte generation.

孢子体：为苔藓和地钱的孢子体世代具有。由受精卵发育而来，包括基足、柄和孢蒴。孢子体是寄生在配子体上的。

10.Experts have confirmed that the fossilised plants discovered are 472million-year-old liverworts.

专家已经证实发现的植物化石是4万7千2百万年前的苔类。

11.The delicate structure of liverworts makes them fascinating subjects for microscope studies.

由于肝苔的精致结构，使它们成为显微镜研究中引人入胜的对象。

12.During our hike, we collected samples of liverworts for our research project.

在我们的徒步旅行中，我们收集了样本的肝苔用于我们的研究项目。

13.Some traditional medicines use extracts from liverworts for their healing properties.

一些传统药物使用提取自肝苔的成分来发挥其治疗特性。

14.In the damp forest, we found several species of liverworts that thrived in the shade.

在潮湿的森林里，我们发现了几种在阴凉处生长的肝苔。

15.The biologist explained how liverworts can be indicators of a healthy ecosystem.

生物学家解释了肝苔如何成为健康生态系统的指示物。

作文

Liverworts, scientifically known as Marchantiophyta, are fascinating non-vascular plants that play a significant role in our ecosystem. These small, often inconspicuous plants can be found in a variety of habitats, ranging from moist woodlands to rocky outcrops. The term liverworts refers to their unique morphology and growth patterns, which have intrigued botanists and nature enthusiasts alike for centuries. Liverworts are among the oldest land plants, with a history that dates back over 400 million years. They are primarily divided into two main categories: leafy liverworts and thallose liverworts. Leafy liverworts resemble miniature mosses, featuring small, leaf-like structures arranged in spirals around a stem-like axis. On the other hand, thallose liverworts have a flat, lobed structure that resembles a small green liver, which is how they got their name. This distinctive shape is not only an interesting characteristic but also plays a crucial role in their adaptation to various environments.One of the most remarkable features of liverworts is their ability to thrive in damp, shaded areas where few other plants can survive. They require a moist environment to reproduce, as their sperm must swim through water to reach the eggs. This dependency on water makes them excellent indicators of environmental health. When you see healthy populations of liverworts, it often signifies a clean, unpolluted habitat. Conversely, a decline in their numbers may indicate ecological issues, such as pollution or habitat destruction.The reproductive cycle of liverworts is quite unique compared to more advanced plants. They exhibit a life cycle that alternates between two distinct generations: the gametophyte and the sporophyte. The gametophyte generation is the dominant phase, producing gametes (sperm and eggs) that fuse to form a zygote. This zygote then develops into the sporophyte, which produces spores that will eventually grow into new gametophytes. This complex life cycle showcases the resilience and adaptability of these plants in various environments.In addition to their ecological importance, liverworts have also been used in traditional medicine for centuries. Some cultures have utilized them for their potential healing properties, believing that they can treat various ailments. However, scientific research on their medicinal value is still ongoing, and more studies are needed to fully understand their potential benefits.Furthermore, liverworts contribute to soil formation and stabilization. Their presence helps retain moisture and prevent soil erosion, making them vital components of many ecosystems. As they decompose, they enrich the soil with organic matter, promoting the growth of other plant species. This symbiotic relationship is essential for maintaining biodiversity and supporting various forms of life.In conclusion, liverworts are more than just simple plants; they are crucial players in our ecosystems. Their unique characteristics, ecological significance, and potential medicinal uses make them worthy of study and conservation. By understanding and appreciating these remarkable plants, we can foster a deeper connection with nature and promote the preservation of our planet's diverse flora.

肝苔藓，科学上称为Marchantiophyta，是一种迷人的非维管植物，在我们的生态系统中扮演着重要的角色。这些小型、往往不显眼的植物可以在各种栖息地中找到，从潮湿的林地到岩石裸露地带。术语肝苔藓指的是它们独特的形态和生长模式，这几个世纪以来一直吸引着植物学家和自然爱好者的兴趣。肝苔藓是最古老的陆地植物之一，历史可以追溯到超过4亿年前。它们主要分为两大类：叶状肝苔藓和叶状肝苔藓。叶状肝苔藓类似于微型苔藓，具有围绕着茎状轴排列的小叶子结构。另一方面，叶状肝苔藓则具有扁平的、分叶的结构，类似于小型绿色肝脏，这也是它们得名的原因。这种独特的形状不仅是一个有趣的特征，而且在它们适应各种环境中发挥着至关重要的作用。肝苔藓最显著的特点之一是它们在潮湿阴暗的地方生存的能力，而其他植物很少能存活。它们需要潮湿的环境来繁殖，因为它们的精子必须通过水游泳到达卵子。这种对水的依赖使它们成为环境健康的优秀指示物。当你看到健康的肝苔藓种群时，通常意味着这是一个干净、未受污染的栖息地。相反，它们数量的减少可能表明生态问题，如污染或栖息地破坏。肝苔藓的繁殖周期与更高级植物相比相当独特。它们表现出一种在两个不同世代之间交替的生命周期：配子体和孢子体。配子体世代是主导阶段，产生配子（精子和卵子），这些配子结合形成合子。这个合子随后发育成孢子体，产生孢子，最终生长为新的配子体。这种复杂的生命周期展示了这些植物在各种环境中的韧性和适应能力。除了生态重要性之外，肝苔藓在传统医学中也被使用了几个世纪。一些文化利用它们的潜在疗愈特性，相信它们可以治疗各种疾病。然而，关于它们药用价值的科学研究仍在进行中，需要更多的研究来全面了解它们的潜在益处。此外，肝苔藓有助于土壤形成和稳定。它们的存在帮助保持水分并防止土壤侵蚀，使它们成为许多生态系统的重要组成部分。随着它们的分解，它们为土壤提供有机物质，促进其他植物物种的生长。这种共生关系对于维持生物多样性和支持各种生命形式至关重要。总之，肝苔藓不仅仅是简单的植物；它们是我们生态系统中的关键角色。它们独特的特征、生态意义和潜在的药用用途使它们值得研究和保护。通过理解和欣赏这些非凡的植物，我们可以培养与自然的更深联系，并促进我们星球多样植物的保护。