drosera

简明释义

英[/droʊˈsɛrə/]美[/droʊˈsɛrə/]

茅膏菜属

英英释义

单词用法

同义词

反义词

例句

1.The Drosera sundew, meanwhile, has a thick, sweet liquid oozing from its leaves, which first attracts insects, then holds them fast before the leaves snap shut.

与此同时，茅膏菜的叶子则渗出粘稠甜美的液体，这种液体首先把昆虫吸引过来，然后在树叶“啪”地合上之前紧紧抓住它们。

2.The Drosera sundew, meanwhile, has a thick, sweet liquid oozing from its leaves, which first attracts insects, then holds them fast before the leaves snap shut.

与此同时，茅膏菜的叶子则渗出粘稠甜美的液体，这种液体首先把昆虫吸引过来，然后在树叶“啪”地合上之前紧紧抓住它们。

3.They share a more recent ancestor with Drosera sundews, which can also curl their leaves over their prey.

它们与毛毡苔有着更近代的祖先，毛毡苔也可以将树叶卷起来盖住猎物。

4.The genus drosera is known for its unique insect-eating abilities.

滴水草属以其独特的食虫能力而闻名。

5.In botanical gardens, you can often find various species of drosera on display.

在植物园中，你常常可以看到各种展示的滴水草属物种。

6.Researchers study drosera to understand plant adaptations to nutrient-poor environments.

研究人员研究滴水草属以了解植物如何适应贫营养环境。

7.The sticky glands on drosera leaves trap insects effectively.

滴水草属叶子上的粘性腺体有效地捕捉昆虫。

8.Hiking in wetlands, we spotted a rare species of drosera blooming.

在湿地徒步旅行时，我们发现了一种稀有的滴水草属开花。

作文

In the world of botany, few plants are as fascinating as the genus drosera. Commonly known as sundews, these carnivorous plants have captivated the attention of scientists and nature enthusiasts alike due to their unique adaptations for survival. The term drosera originates from the Greek word 'drosos,' meaning dew, which is fitting given the plant's appearance. With their glistening, sticky glandular hairs that resemble droplets of dew, drosera species attract unsuspecting insects, which become ensnared in their traps. This remarkable mechanism allows the plants to supplement their nutrient intake, particularly nitrogen, in nutrient-poor environments such as bogs and marshes. The diversity within the drosera genus is astounding, with over 200 recognized species found across various continents, including Australia, Africa, and North America. Each species exhibits distinct characteristics and adaptations that enable them to thrive in their specific habitats. For instance, the well-known drosera capensis, or Cape sundew, is native to South Africa and is easily identifiable by its long, slender leaves covered in red tentacle-like structures that secrete a sticky substance. These adaptations not only help in trapping prey but also provide the plant with an attractive appearance, making it a popular choice among carnivorous plant collectors. The ecological role of drosera is significant as well. By preying on insects, these plants help regulate insect populations in their ecosystems. This predatory behavior contributes to the overall health of the environment, ensuring a balance between various species. Additionally, drosera serves as a food source for certain animals, including some birds and insects, illustrating the interconnectedness of life within these habitats. Research on drosera has expanded our understanding of plant biology, particularly in the areas of evolution and adaptation. Scientists have studied the mechanisms behind their carnivorous behavior, uncovering the complex biochemical processes involved in attracting and digesting prey. These studies not only shed light on the evolutionary history of drosera but also inspire innovations in biotechnology and agriculture. For example, understanding how these plants capture and digest insects could lead to the development of more effective pest control methods that are environmentally friendly. Moreover, the aesthetic appeal of drosera has made them popular in horticulture. Many enthusiasts cultivate these plants in home gardens or terrariums, appreciating their unique beauty and the challenge of growing them. However, it is essential to recognize the conservation status of various drosera species, as habitat destruction and climate change threaten their survival. Efforts to protect these unique plants are crucial, not only for biodiversity but also for the continued study and appreciation of their remarkable adaptations. In conclusion, the genus drosera represents a captivating intersection of beauty, ecology, and science. Their unique adaptations as carnivorous plants highlight the incredible diversity of life on Earth and the intricate relationships that exist within ecosystems. As we continue to explore and understand these fascinating organisms, it is vital to promote conservation efforts to ensure that future generations can appreciate the wonders of drosera and the vital roles they play in our world.

在植物学的世界中，很少有植物像属drosera那样迷人。通常被称为露珠植物，这些食肉植物因其独特的生存适应性而吸引了科学家和自然爱好者的注意。术语drosera源自希腊词'drosos'，意为露水，这与植物的外观非常贴切。由于其闪闪发光、粘性的腺毛看起来像露珠，drosera物种吸引了不知情的昆虫，这些昆虫被困在它们的捕虫器中。这种显著的机制使植物能够补充营养摄入，特别是在营养贫乏的环境中，如沼泽和沼泽地。 drosera属内的多样性令人惊叹，全球发现了超过200种已被认可的物种，分布在包括澳大利亚、非洲和北美等各大洲。每个物种都表现出独特的特征和适应性，使它们能够在特定栖息地中茁壮成长。例如，著名的drosera capensis或开普露珠植物，是南非特有的，容易识别的是它的长而纤细的叶子，上面覆盖着红色触手状结构，分泌粘性物质。这些适应性不仅有助于捕捉猎物，还赋予植物吸引人的外观，使其成为食肉植物收藏者的热门选择。 drosera的生态角色也非常重要。通过捕食昆虫，这些植物帮助调节它们生态系统中的昆虫种群。这种捕食行为有助于环境的整体健康，确保各种物种之间的平衡。此外，drosera还为某些动物提供食物来源，包括一些鸟类和昆虫，说明了这些栖息地内生命的相互联系。 对drosera的研究扩展了我们对植物生物学的理解，特别是在进化和适应领域。科学家们研究了它们食肉行为背后的机制，揭示了吸引和消化猎物所涉及的复杂生化过程。这些研究不仅阐明了drosera的进化历史，还激励了生物技术和农业方面的创新。例如，了解这些植物如何捕捉和消化昆虫可能会导致开发出更有效的环保害虫控制方法。 此外，drosera的美学吸引力使它们在园艺中变得流行。许多爱好者在家庭花园或生态瓶中培养这些植物，欣赏它们独特的美丽和种植的挑战。然而，必须认识到各种drosera物种的保护状态，因为栖息地破坏和气候变化威胁着它们的生存。保护这些独特植物的努力至关重要，不仅是为了生物多样性，也是为了继续研究和欣赏它们卓越的适应性。 总之，属drosera代表了美、生态和科学的迷人交汇点。它们作为食肉植物的独特适应性突显了地球生命的惊人多样性以及生态系统内存在的复杂关系。随着我们继续探索和理解这些迷人的生物，促进保护工作以确保未来几代人能够欣赏drosera的奇迹及其在我们世界中扮演的重要角色至关重要。