caryopsis

简明释义

英[ˌkærɪˈɒpsɪs]美[ˌkærɪˈɑːpsɪs]

n. [植] 颖果；壳果

复 数 c a r y o p s e s 或 c a r y o p s i d e s

英英释义

单词用法

同义词

反义词

例句

1.It can be concluded that caryopsis ventral shape, sculpture, and foveola are very useful characteristics for the identification of species and the inference of interspecific relationships in Eleusine.

䅟属植物的颖果腹面形状、纹饰、表面小孔直径及平均密度等性状，可为种类鉴定及种间关系分析提供有价值的证据。

2.It can be concluded that caryopsis ventral shape, sculpture, and foveola are very useful characteristics for the identification of species and the inference of interspecific relationships in Eleusine.

䅟属植物的颖果腹面形状、纹饰、表面小孔直径及平均密度等性状，可为种类鉴定及种间关系分析提供有价值的证据。

3.A comparison of the caryopsis development, rice quality characteristics and the size, pattern, structure of the endosperm amyloplasts (starch granules) in the two indica rice varieties was made.

比较了两个籼稻品种颖果的发育，籽粒的主要品质性状以及胚乳淀粉体的大小、形状、结构等特性。

4.The caryopsis growth and endosperm development of colored rice were basically the same as conventional rice, with the exception in its anthocyanidin accumulation in the pericarp.

除果皮沉积花色素等色素外，有色稻颖果的生长、胚乳发育与常规水稻品种基本相同。

5.Anthocyanidin firstly pigmentizes at the part of caryopsis away from embryo, then gradually extends to the part near embryo and makes the whole pericarp pigmentized.

颖果的远胚端最早沉积花色素，以后逐渐延伸到胚端并使整个果皮着色；

6.When they were the same subspecies, the development of big grain varieties was slower than the small, and finally the dry weight of caryopsis was heavier;

同一亚种间，小粒品种发育时间短，大粒品种发育时间长，最终颖果干重大于小粒品种。

7.The grain of wheat is a type of caryopsis which is a dry, one-seeded fruit.

小麦的谷粒是一种果皮坚硬的干果，它是一个干燥的单籽果。

8.In botany, a caryopsis is often found in grasses and cereals.

在植物学中，果皮坚硬的干果通常见于禾本科植物和谷物。

9.The caryopsis of corn is an important agricultural product.

玉米的果皮坚硬的干果是重要的农产品。

10.Each caryopsis contains the seed and is surrounded by a hard outer shell.

每个果皮坚硬的干果都包含种子，并被坚硬的外壳包围。

11.Farmers harvest caryopses from fields of barley during the summer.

农民在夏季从大麦田中收获果皮坚硬的干果。

作文

The world of botany is filled with fascinating terms that describe various plant structures and reproductive strategies. One such term is caryopsis, which refers to a specific type of dry fruit that is characteristic of the grass family, Poaceae. Understanding the significance of caryopsis not only enriches our vocabulary but also enhances our appreciation for the diversity of plant life around us. A caryopsis is unique because it is a type of simple fruit where the seed coat is fused with the ovary wall, making it difficult to separate the seed from the fruit. This structure is commonly found in grains such as wheat, rice, corn, and barley. The fusion of the seed and fruit provides certain advantages, particularly in terms of protection and nutrient storage. For instance, the hard outer layer of a caryopsis helps shield the developing seed from environmental stressors like pests and harsh weather conditions. In agricultural contexts, understanding the role of caryopsis is crucial for farmers and agronomists. The grains produced by these fruits are staple foods for a significant portion of the world's population. As such, the cultivation of caryopsis-bearing plants has a direct impact on food security and economic stability. Farmers often select specific varieties of cereals based on their caryopsis characteristics, such as size, shape, and nutritional content, to optimize yield and quality. Moreover, the study of caryopsis extends beyond agriculture into the realms of ecology and evolution. The adaptation of plants to different environments can be observed through the variations in their caryopsis structures. For example, some grasses have evolved to produce smaller, lighter caryopses that can be easily dispersed by wind, while others may develop larger and heavier ones that rely on animals for transport. These adaptations highlight the intricate relationships between plants and their ecosystems. In addition to its ecological importance, the caryopsis has cultural significance as well. Many societies have developed culinary traditions around the grains derived from caryopses. From bread-making to brewing beer, the versatility of these grains showcases their integral role in human culture and history. Understanding the caryopsis allows us to appreciate not only the biological processes behind plant reproduction but also the cultural practices that have arisen from them. In conclusion, the term caryopsis encapsulates a wealth of knowledge about plant biology, agriculture, ecology, and culture. By learning about this unique fruit structure, we gain insights into the essential role that grasses play in our environment and our lives. Whether we are farmers tending to our crops or consumers enjoying a meal, the impact of caryopsis-bearing plants is undeniable. Therefore, embracing the study of terms like caryopsis not only expands our vocabulary but also deepens our connection to the natural world.

植物学的世界充满了描述各种植物结构和繁殖策略的迷人术语。其中一个术语是caryopsis，它指的是一种干果，特征是禾本科（Poaceae）植物的特定类型。理解caryopsis的重要性不仅丰富了我们的词汇量，还增强了我们对周围植物生命多样性的欣赏。 caryopsis是独特的，因为它是一种简单果实，其种子外壳与子房壁融合在一起，使得种子与果实难以分离。这种结构通常在小麦、稻米、玉米和大麦等谷物中发现。种子与果实的融合提供了某些优势，特别是在保护和营养储存方面。例如，caryopsis的坚硬外层有助于保护发育中的种子免受害虫和恶劣天气条件等环境压力。 在农业背景下，理解caryopsis的作用对农民和农艺师至关重要。这些水果所产生的谷物是世界上大量人口的主食。因此，培育caryopsis承载植物直接影响粮食安全和经济稳定。农民通常根据其caryopsis特性（如大小、形状和营养成分）选择特定种类的谷物，以优化产量和质量。 此外，caryopsis的研究不仅限于农业，还扩展到生态学和进化的领域。植物适应不同环境的能力可以通过它们的caryopsis结构的变化来观察。例如，一些草本植物已经进化出更小、更轻的caryopses，可以被风轻易传播，而另一些则可能发展出更大、更重的种子，依赖动物进行运输。这些适应突显了植物与其生态系统之间的复杂关系。 除了其生态重要性外，caryopsis在文化上也具有重要意义。许多社会围绕着从caryopses衍生的谷物形成了烹饪传统。从面包制作到酿造啤酒，这些谷物的多功能性展示了它们在人类文化和历史中的重要作用。理解caryopsis使我们能够欣赏植物繁殖背后的生物过程以及由此产生的文化实践。 总之，术语caryopsis概括了有关植物生物学、农业、生态学和文化的丰富知识。通过了解这种独特的果实结构，我们获得了关于禾草在环境和生活中所扮演的重要角色的见解。无论我们是农民在照料作物，还是消费者在享用美食，caryopsis承载植物的影响都是不可否认的。因此，拥抱像caryopsis这样的术语的学习，不仅扩展了我们的词汇量，还加深了我们与自然界的联系。