nymphal

简明释义

英[ˈnɪmfəl]美[ˈnɪmfəl]

adj. 蛹的；幼虫的

英英释义

单词用法

同义词

反义词

例句

1.Local infection rates in nymphal ticks may be low (< 20%) with a low risk of infection (<5%) from a detected, attached tick (most people who get Lyme disease do not notice the tick).

蜱虫若虫叮咬造成的局部感染率可能比较低（低于20%），但是由被检测到附着在皮肤上的蜱虫叮咬造成的感染风险则更低（小于5%），因为大多数患上莱姆病的人并没有注意到蜱虫。

2.Local infection rates in nymphal ticks may be low (< 20%) with a low risk of infection (<5%) from a detected, attached tick (most people who get Lyme disease do not notice the tick).

蜱虫若虫叮咬造成的局部感染率可能比较低（低于20%），但是由被检测到附着在皮肤上的蜱虫叮咬造成的感染风险则更低（小于5%），因为大多数患上莱姆病的人并没有注意到蜱虫。

3.In the laboratory, nymphal I. scapularis can survive for over 6 months at 93-100% relative humidity (RH), but over half will die in less than 4 days at 65% RH.

肩胛扁虱幼虫在室温相对湿度93-100%可存活6个月以上，但是约一半以上在相对湿度65%的室温下，存活不足4天。

4.The Zhejiang populations show low brachypterous ratios and have a negative correlation with nymphal density, belonging to the temperate type.

迁入地的浙江各种群属温带型，其雌虫短翅率低且与密度呈显著负相关；

5.When we apply 'Mie Jie Ling' at 1 age nymphal stage, 2 age nymphal initial stage of scale louse, its results will improve greatly.

掌握在蚧虫1龄若虫、2龄若虫初喷药，可大大提高“灭蚧灵”的杀虫效果。

6.There are 16 different kinds of amino acids identified and 15 kinds of free amino acids in the nymphal secretion.

结果表明在枸杞木虱若虫分泌物中含氨基酸16种、游离氨基酸15种，游离氨基酸中不含精氨酸。

7.The mouthparts of larval and nymphal ticks will seldom be left in the skin.

蜱虫幼虫与若虫的口器很少会留在宿主皮肤里。

8.Larval and nymphal ticks may penetrate a coarse weave sock.

幼虫和蜱蛹可能会渗透粗织袜子。

9.The biologist observed the growth stages of the insect, noting the distinct features of its nymphal 幼虫的 form.

生物学家观察了昆虫的生长阶段，注意到其nymphal 幼虫的形态的独特特征。

10.In her research, she focused on the nymphal 幼虫期的 behavior of the dragonfly.

在她的研究中，她专注于蜻蜓的nymphal 幼虫期的行为。

11.The pond was teeming with nymphal 幼虫, indicating a healthy ecosystem.

池塘里充满了nymphal 幼虫，这表明生态系统健康。

12.During the nymphal 幼虫阶段, the insects undergo significant changes.

在nymphal 幼虫阶段，昆虫经历了显著的变化。

13.The nymphal 幼虫 stage is crucial for the transformation into an adult insect.

在转变为成虫的过程中，nymphal 幼虫阶段至关重要。

作文

In the fascinating world of biology, the term nymphal refers to a stage in the life cycle of certain insects, particularly those that undergo incomplete metamorphosis. This stage comes after the larval phase and before the adult form, marking a significant transition in the insect's development. Understanding the nymphal stage is crucial for entomologists and anyone interested in the intricate processes of nature. The nymphal stage is characterized by several distinct features. Unlike larvae, which often look quite different from their adult counterparts, nymphal insects resemble miniature versions of adults. This similarity allows them to blend into their environments more effectively, providing essential camouflage against predators. For example, the nymphal stage of the dragonfly is a small, aquatic creature that can be found lurking in ponds and streams, waiting to ambush unsuspecting prey. One of the most intriguing aspects of nymphal insects is their feeding behavior. During this stage, they are voracious eaters, consuming a variety of organic materials to fuel their growth. In many cases, nymphal insects are predatory, targeting smaller insects or even other nymphal stages of their species. This predation not only helps control pest populations but also plays a vital role in maintaining ecological balance. As nymphal insects grow, they will molt several times, shedding their exoskeletons to accommodate their increasing size. Each molt brings them closer to adulthood, during which they will undergo significant changes. The transformation from nymphal to adult can be a dramatic process, often involving changes in coloration, size, and even behavior. For instance, when a nymphal dragonfly emerges from the water, it will climb onto a nearby plant, where it will undergo its final molt, emerging as a fully formed adult ready to take flight. The study of nymphal stages is not just limited to academic interest; it has practical applications as well. For example, understanding the life cycles of these insects can help in pest management strategies. Many agricultural pests go through a nymphal stage, and knowing how to target this vulnerable period can lead to more effective control measures. Additionally, conservation efforts often focus on preserving habitats that support these critical life stages, ensuring that ecosystems remain healthy and balanced. In conclusion, the nymphal stage is a vital component of the life cycle of many insects, representing a time of growth, change, and adaptation. By studying these fascinating creatures, we can gain insights into the complexities of nature and the interconnectedness of all living things. Whether you are a student of biology, an avid gardener, or simply someone who enjoys observing the wonders of the natural world, understanding the nymphal stage can enhance your appreciation for the delicate balance of life around us.

在生物学的迷人世界中，术语nymphal指的是某些昆虫生活周期中的一个阶段，特别是那些经历不完全变态的昆虫。这个阶段发生在幼虫阶段之后，成虫形态之前，标志着昆虫发育的重要过渡。理解nymphal阶段对昆虫学家和任何对自然复杂过程感兴趣的人来说都是至关重要的。 nymphal阶段具有几个明显的特征。与幼虫不同，幼虫通常与成虫的外形差异很大，而nymphal昆虫则类似于成虫的小型版本。这种相似性使它们能够更有效地融入环境，为自己提供了对捕食者的伪装。例如，蜻蜓的nymphal阶段是一种小型水生生物，可以在池塘和溪流中找到，等待伏击毫无防备的猎物。 nymphal昆虫最引人入胜的方面之一是它们的取食行为。在这一阶段，它们是贪婪的食客，消耗各种有机物质以供给自身的生长。在许多情况下，nymphal昆虫是捕食性的，目标是较小的昆虫，甚至是同种的其他nymphal阶段。这种捕食不仅有助于控制害虫种群，还在维持生态平衡中发挥着重要作用。 随着nymphal昆虫的生长，它们将经历几次蜕皮，脱掉外骨骼以适应不断增长的体型。每次蜕皮都使它们更接近成虫，而在此期间，它们将经历显著的变化。从nymphal到成虫的转变可以是一个戏剧性的过程，通常涉及颜色、大小甚至行为的变化。例如，当一只nymphal蜻蜓从水中出现时，它会爬到附近的植物上，在那里经历最后一次蜕皮，变成一只完全成型的成虫，准备起飞。 对nymphal阶段的研究不仅限于学术兴趣；它也有实际应用。例如，了解这些昆虫的生活周期可以帮助害虫管理策略。许多农业害虫在其生命周期中经历nymphal阶段，知道如何针对这一脆弱时期可以导致更有效的控制措施。此外，保护工作往往集中在保护支持这些关键生活阶段的栖息地上，以确保生态系统保持健康和平衡。 总之，nymphal阶段是许多昆虫生活周期的重要组成部分，代表着生长、变化和适应的时期。通过研究这些迷人的生物，我们可以深入了解自然的复杂性以及所有生物之间的相互联系。无论你是生物学学生、热爱园艺的人，还是仅仅喜欢观察自然界奇观的人，理解nymphal阶段都能增强你对我们周围生命微妙平衡的欣赏。