sickle

简明释义

英[ˈsɪkl]美[ˈsɪkl]

n. 镰刀

adj. 镰刀型的

v. 呈镰刀型

n. （Sickle）（美、加、英）茜克克丽（人名）

复 数 s i c k l e s

第 三 人 称 单 数 s i c k l e s

现 在 分 词 s i c k l i n g

过 去 式 s i c k l e d

过 去 分 词 s i c k l e d

英英释义

单词用法

同义词

反义词

例句

1.Sickle-cell anemia is a blood disease that causes the cell to form a characteristic sickle-shape.

镰形细胞贫血症是一种能使细胞发生镰形变化的血液病。

2.It replicates in a living organism data that might be useful to deliver new drugs for the treatment of sickle cell disease and other blood disorders.

它复制了活体组织的数据，可能会对研制治疗镰状贫血症及其他血液疾病的新药物有用。

3.Some inherited anemias, such as sickle cell anemia, can be serious and lead to life-threatening complications.

某些遗传性的贫血，比如镰状细胞性贫血，会很严重并引起致命的并发症。

4.One of these was the evolution of the hammer and sickle symbol from its agrarian roots into a space-age propaganda object, as seen above.

其中的一项便是象征工农的锤子和镰刀造型转变成了太空时代的宣传工具，如上图所示。

5.This condition leads to shortened red blood cell survival, and subsequent anaemia, often called sickle-cell anaemia.

这一状况导致红血球存活期缩短，继而发生贫血，通常称之为镰状细胞贫血。

6.If you enter your neighbor's grainfield, you may pick kernels with your hands, but you must not put a sickle to his standing grain.

你进了邻舍站着的禾稼，可以用手摘穗子，只是不可用镰刀割取禾稼。

7.Sickle-cell anaemia is passed on through a recessive gene.

镰状细胞贫血通过隐性基因遗传给后代。

8.Sickle-cell disease can be managed by simple procedures including.

镰状细胞病可通过一些简单措施加以管理，包括。

9.But Kosice's hammer-and-sickle past is never far away.

但是，镰刀铁锤统治科希策的日子并没有走得太远。

10.He swung the sickle with precision to cut the tall grass.

他精准地挥动镰刀割掉高草。

11.She admired the craftsmanship of the decorative sickle hanging on the wall.

她赞赏挂在墙上的装饰性镰刀的工艺。

12.In ancient times, a sickle was an essential tool for agriculture.

在古代，镰刀是农业中必不可少的工具。

13.The farmer used a sickle to harvest the wheat.

农民用镰刀收割小麦。

14.The sickle symbolizes the harvest in many cultures.

镰刀在许多文化中象征着丰收。

作文

The agricultural revolution marked a significant turning point in human history, and one of the most important tools that emerged during this period was the sickle. The sickle (镰刀) is a hand-held agricultural tool used for harvesting grain crops. Its curved blade allows for efficient cutting of stalks, making it an essential instrument for early farmers. Understanding the importance of the sickle goes beyond its physical attributes; it symbolizes the transition from nomadic lifestyles to settled agricultural societies.In ancient times, before the advent of the sickle, harvesting was a labor-intensive process that involved pulling plants by hand or using more rudimentary tools. The introduction of the sickle revolutionized this process. With its sharp, curved blade, the sickle enabled farmers to cut down large areas of crops quickly and efficiently. This efficiency not only increased crop yields but also allowed communities to sustain larger populations.The sickle also represents a deeper connection between humans and the land. As people began to cultivate crops, they developed a profound understanding of the seasons, soil, and weather patterns. The use of the sickle required knowledge of when to harvest, which was crucial for maximizing the amount of food stored for the winter months. This relationship with the land fostered a sense of stewardship and responsibility towards nature, which is still relevant today.Moreover, the sickle has cultural significance in various societies. In many cultures, it is associated with harvest festivals and rituals that celebrate the bounty of the earth. For instance, in some agricultural communities, the first cut of the season is often performed with a ceremonial sickle, marking the beginning of the harvest. This tradition highlights the sickle's role not just as a tool, but as a symbol of life, sustenance, and community.As society progressed, the design of the sickle evolved. While traditional versions are still used in many parts of the world, modern farming techniques have introduced machinery that can harvest crops on a much larger scale. However, the essence of the sickle remains relevant, especially in small-scale and organic farming practices. Farmers who prioritize sustainability often prefer using a sickle over machines, as it allows for more precise harvesting and minimizes damage to the environment.In conclusion, the sickle (镰刀) is more than just a simple tool; it is a representation of humanity's journey towards agriculture and civilization. Its historical significance, cultural relevance, and continued use in sustainable farming practices illustrate the enduring connection between humans and the land. By understanding the role of the sickle, we gain insight into the agricultural practices that shaped our societies and the importance of respecting and nurturing our environment.

农业革命标志着人类历史上的一个重要转折点，而在这一时期出现的最重要工具之一就是sickle（镰刀）。sickle是一种手持农业工具，用于收割谷物作物。其弯曲的刀片使得高效地切割植物成为可能，使其成为早期农民必不可少的工具。理解sickle的重要性不仅仅在于其物理特性；它象征着从游牧生活方式向定居农业社会的过渡。在古代，sickle出现之前，收割是一项劳动密集型的过程，涉及到用手拉植物或使用更原始的工具。sickle的引入彻底改变了这一过程。凭借其锋利的弯刀，sickle使农民能够快速有效地收割大片作物。这种效率不仅提高了作物产量，还使社区能够维持更大的人口。sickle还代表了人类与土地之间更深层的联系。随着人们开始耕种作物，他们对季节、土壤和天气模式有了深刻的理解。使用sickle需要知道何时收割，这对最大化冬季储存的食物至关重要。这种与土地的关系培养了一种对自然的管理和责任感，这在今天仍然相关。此外，sickle在各种社会中具有文化意义。在许多文化中，它与丰收节和庆祝大地丰饶的仪式相关联。例如，在一些农业社区，季节的第一次收割通常是用仪式性的sickle进行的，标志着丰收的开始。这一传统强调了sickle不仅作为工具的角色，更作为生命、养分和社区的象征。随着社会的发展，sickle的设计也不断演变。虽然许多地方仍在使用传统版本，但现代农业技术引入了可以在更大规模上收割作物的机械。然而，sickle的本质依然相关，尤其是在小规模和有机农业实践中。优先考虑可持续发展的农民往往更喜欢使用sickle而不是机器，因为这允许更精确的收割，并且减少对环境的损害。总之，sickle（镰刀）不仅仅是一个简单的工具；它代表了人类走向农业和文明的旅程。它的历史意义、文化相关性以及在可持续农业实践中的持续使用，展示了人类与土地之间持久的联系。通过理解sickle的作用，我们能够深入了解塑造我们社会的农业实践及尊重和培育环境的重要性。