angiosperm

简明释义

英[ˌændʒɪəˈspɜːm]美[ˈændʒioʊˌspɜːrm]

n. [植] 被子植物

英英释义

单词用法

同义词

反义词

例句

1.Pedicularis L. , as one of the largest genera of angiosperm, comprises about 332-400 species in China.

高山花卉马先蒿是被子植物中最大的一个属，我国拥有332～400余种。

2.Perhaps a key adaptive advantage of the angiosperm is their ability to construct wood with much less expenditure of energy per unit weight.

也许被子植物适应优势的秘诀就在于它们有能力形成每单位重量的木材可支付少得多的能。

3.It has also been found that the gymnosperm plants have few copies of CHS gene in a particular nuclear genome, but copy number varies greatly in the angiosperm plants.

CHS基因在裸子植物中的拷贝数较少，而在被子植物中拷贝数变化很大。

4.In the angiosperm the seeds are wrapped in an additional layer of covering.

被子植物的种子被另一层覆盖物包裹着。

5.“The angiosperm radiation revisited, an ecological explanation for Darwin’s abominable mystery.” Ecology Letters 12: 865-872.

其中Berendse, F. and Scheffer, M. 2009年对相关假设作了一个精巧的摘编，见《重温被子植物的发散，针对达尔文糟糕透顶的神秘轮生态学解析》——生态学通讯12: 865-872.

6.Both species occurred on rotten angiosperm wood, and caused a white rot.

这两种木材腐朽菌均生长在阔叶树腐朽木上，造成木材白色腐朽。

7.The flavonoids in 50 plants of 32 families of Pteridophyta?Gymnospermee and Angiosperm were listed. This work could provide the evidences of developing clinic function and plant division.

将蕨类植物、裸子植物、被子植物的32个科的5 0种植物所含的黄酮类化合物列举出来，可以作为进一步开发药用价值以及进行植物分类的依据。

8.Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.

大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。

9.Angiosperm female and male gametophyte formation is the key to the process of generational one.

被子植物雌、雄配子体的形成是世代交替的关键过程之一。

10.In biology class, we learned that angiosperms are the most diverse group of plants.

在生物课上，我们了解到被子植物是植物中最为多样化的一组。

11.The rose is a type of angiosperm which is known for its beautiful flowers.

玫瑰是一种被子植物，以其美丽的花朵而闻名。

12.The life cycle of an angiosperm includes both a flowering stage and a seed stage.

一个被子植物的生命周期包括开花阶段和种子阶段。

13.Many fruits we eat, such as apples and oranges, come from angiosperms.

我们吃的许多水果，如苹果和橙子，来自被子植物。

14.Gardeners often prefer angiosperms for their vibrant colors and fragrances.

园丁通常更喜欢被子植物，因为它们色彩鲜艳且芳香四溢。

作文

Angiosperms, also known as flowering plants, are a diverse group of plants that play a crucial role in our ecosystem. They belong to the clade Angiospermae, which is characterized by the presence of flowers and the production of seeds enclosed within a fruit. This unique reproductive strategy distinguishes them from other plant groups such as gymnosperms, which produce naked seeds. The term angiosperm (被子植物) comes from the Greek words 'angeion,' meaning 'vessel,' and 'sperma,' meaning 'seed.' This name reflects the way these plants protect their seeds within a vessel or fruit, providing them with an advantage in terms of reproduction and survival.One of the most fascinating aspects of angiosperms (被子植物) is their incredible diversity. They include a wide range of species, from small herbs to large trees, and they can be found in almost every habitat on Earth. It is estimated that there are over 300,000 species of angiosperms (被子植物), making them the largest group of plants in terms of species richness. This diversity is not only important for ecological balance but also for human life, as many of our food sources, medicines, and materials come from flowering plants.The reproductive process of angiosperms (被子植物) is intricate and fascinating. Flowers, which are the reproductive structures of these plants, attract pollinators such as bees, butterflies, and birds. This mutualistic relationship benefits both the plants and the pollinators. While the pollinators collect nectar and pollen for food, they inadvertently transfer pollen from one flower to another, facilitating fertilization. Once fertilization occurs, the ovary of the flower develops into a fruit, which houses the seeds. This process not only ensures the continuation of the species but also aids in seed dispersal when animals eat the fruit and excrete the seeds elsewhere.In addition to their ecological significance, angiosperms (被子植物) have immense economic importance. They provide us with fruits, vegetables, grains, and nuts, which are essential for our nutrition. Crops like wheat, rice, and maize, all of which are angiosperms (被子植物), form the backbone of global food security. Furthermore, many medicinal compounds are derived from flowering plants, highlighting their value in healthcare and pharmaceuticals.However, despite their importance, angiosperms (被子植物) face numerous threats due to human activities such as deforestation, pollution, and climate change. Habitat loss is particularly detrimental, as it not only reduces the number of angiosperm (被子植物) species but also affects the entire ecosystem that relies on these plants for food and shelter. Conservation efforts are crucial to protect these valuable plants and ensure that future generations can benefit from their existence.In conclusion, angiosperms (被子植物) are a vital part of our world, contributing to biodiversity, ecological balance, and human welfare. Understanding their role and the threats they face is essential for fostering a sustainable relationship with our environment. By appreciating the significance of angiosperms (被子植物), we can take steps to protect them and preserve the natural beauty and resources they provide for us all.

被子植物，也称为开花植物，是一种多样化的植物群体，在我们的生态系统中发挥着至关重要的作用。它们属于被子植物类，该类植物的特征是具有花朵和种子在果实内的产生。这种独特的繁殖策略使它们与其他植物群体（如裸子植物）区分开来，后者产生裸露的种子。术语angiosperm（被子植物）来自希腊词'angeion'，意为'容器'，以及'sperma'，意为'种子'。这个名称反映了这些植物如何在一个容器或果实中保护它们的种子，从而在繁殖和生存方面提供了优势。angiosperms（被子植物）的一个迷人之处在于它们的惊人多样性。它们包括从小草本植物到大型树木的广泛物种，并且几乎可以在地球上的每个栖息地中找到。估计有超过30万种angiosperms（被子植物），使其成为物种丰富度最大的植物群体。这种多样性不仅对生态平衡至关重要，而且对人类生活也至关重要，因为我们许多的食物来源、药物和材料都来自开花植物。angiosperms（被子植物）的繁殖过程复杂而迷人。花朵是这些植物的生殖结构，吸引了蜜蜂、蝴蝶和鸟类等传粉者。这种互惠关系对植物和传粉者都有好处。当传粉者收集花蜜和花粉作为食物时，它们无意中将花粉从一朵花转移到另一朵花，促进了授粉。一旦授粉发生，花的子房会发展成果实，里面包含种子。这个过程不仅确保了物种的延续，还在动物吃掉果实并在其他地方排泄种子时有助于种子的传播。除了生态意义外，angiosperms（被子植物）还有巨大的经济重要性。它们为我们提供水果、蔬菜、谷物和坚果，这些都是我们营养的基础。像小麦、稻米和玉米这样的作物，都是angiosperms（被子植物），构成了全球粮食安全的支柱。此外，许多药用化合物源自开花植物，突显了它们在医疗和制药中的价值。然而，尽管它们的重要性，angiosperms（被子植物）由于人类活动，如森林砍伐、污染和气候变化，面临着许多威胁。栖息地的丧失尤其有害，因为它不仅减少了angiosperm（被子植物）物种的数量，还影响到整个依赖这些植物提供食物和庇护的生态系统。保护工作对于保护这些珍贵植物至关重要，以确保未来几代人能够从它们的存在中受益。总之，angiosperms（被子植物）是我们世界的重要组成部分，为生物多样性、生态平衡和人类福祉做出了贡献。理解它们的作用及其面临的威胁对促进我们与环境的可持续关系至关重要。通过欣赏angiosperms（被子植物）的重要性，我们可以采取措施保护它们，并保护它们为我们所有人提供的自然美和资源。