diapause

简明释义

英[ˈdaɪəˌpɔːz]美[ˈdaɪəˌpɔz]

n. 滞育（指某些昆虫的发育停滞）；间歇期

第 三 人 称 单 数 d i a p a u s e s

现 在 分 词 d i a p a u s i n g

过 去 式 d i a p a u s e d

过 去 分 词 d i a p a u s e d

英英释义

单词用法

同义词

反义词

例句

1.Under specific enviromental information, neuroendocrine cells produce and secrete diapause hormone ( DH ).

在特定的环境条件信息下， 神经分泌细胞产生和分泌滞育激素（DH ）。

2.The activation of eggs or period of diapause development and developmental speed of embryos is effected by the ASD in eggs.

盐酸刺激量能够影响蚕卵的活化(或滞育发育期)和发育速度。

3.The results showed that the temperature but not the photoperiod and inducement intensity of diapause, was a main factor affecting termination of diapause.

对滞育诱导强度、光周期和温度三个因素的研究表明，温度是影响棉铃虫解除滞育的主要因素。 滞育蛹在高温下可以解除滞育，但时间较长。

4.Most bugs survive the winter's cold by undergoing diapause, or insect hibernation.

大多数昆虫通过滞育，即虫类冬眠，来度过寒冬。

5.Short daylength had a cumulative effect on diapause induction.

短光照对滞育的诱导作用具有累积效应。

6.The sensitivity of diapause induction by photoperiod of the larvae fed by corn ear was stronger than that of the larvae fed by cotton boll.

取食玉米雌穗的幼虫对滞育诱导光周反应的敏感性强于取食棉铃的幼虫。

7.With the sorbitol content as biochemical index it can be considered to monitor and decide the stage which the diapause eggs are in.

山梨醇含量的变化，可作为生化指标监测和判断蚕卵的滞育阶段。

8.The results showed that the temperature but not the photoperiod and inducement intensity of diapause, was a main factor affecting termination of diapause.

对滞育诱导强度、光周期和温度三个因素的研究表明，温度是影响棉铃虫解除滞育的主要因素。 滞育蛹在高温下可以解除滞育，但时间较长。

9.Many insects enter a state of diapause during winter to survive harsh conditions.

许多昆虫在冬季进入休眠期以生存恶劣环境。

10.The diapause in certain species allows them to synchronize their life cycles with seasonal changes.

某些物种的休眠期使它们能够与季节变化同步其生命周期。

11.During diapause, metabolic rates in these organisms significantly decrease.

在休眠期期间，这些生物的代谢率显著降低。

12.Researchers studied the effects of temperature on the duration of diapause in various moth species.

研究人员研究了温度对多种蛾类休眠期持续时间的影响。

13.Some plants also exhibit a form of diapause in their seed development.

一些植物在种子发育中也表现出一种休眠期。

作文

In the intricate tapestry of nature, various organisms exhibit a remarkable ability to adapt to their environments. One such adaptation is known as diapause, a period of suspended development that many insects, crustaceans, and even some mammals undergo in response to unfavorable environmental conditions. This fascinating phenomenon allows these creatures to survive through harsh climates, food shortages, or other adverse circumstances. Understanding diapause not only sheds light on the resilience of life but also has significant implications for ecology and conservation efforts.The concept of diapause can be traced back to the evolutionary strategies that organisms have developed over millions of years. For instance, many species of butterflies and moths enter diapause during the winter months, allowing them to withstand freezing temperatures. By halting their development, these insects can conserve energy and resources until conditions become more favorable for growth and reproduction. Similarly, certain species of frogs and turtles exhibit diapause during extreme droughts, delaying their life cycles until water returns to their habitats.The physiological mechanisms underlying diapause are complex and vary among species. In insects, hormonal changes play a crucial role in initiating and terminating this state. When environmental cues such as decreasing temperatures or shorter daylight hours are detected, hormonal signals trigger the onset of diapause. Conversely, when conditions improve, other hormonal changes signal the end of this dormant phase, allowing the organism to resume its normal life cycle.Research into diapause has revealed its significance beyond mere survival. For example, understanding how and when different species enter diapause can help scientists predict population dynamics and the potential impacts of climate change. As global temperatures rise and weather patterns shift, the timing of diapause may be altered, affecting breeding cycles and survival rates. This knowledge is critical for developing effective conservation strategies aimed at protecting vulnerable species.Moreover, diapause is not limited to wild organisms. In agriculture, farmers often encounter pests that utilize diapause as a survival strategy. By recognizing the signs of impending diapause, farmers can implement pest management practices that target these periods of dormancy, reducing crop damage while minimizing pesticide use. This intersection of ecology and agriculture highlights the practical applications of understanding diapause in real-world settings.In conclusion, diapause is a remarkable adaptation that showcases the ingenuity of life in overcoming environmental challenges. From insects to amphibians, the ability to pause development during unfavorable conditions is a testament to the resilience of nature. As we continue to study and understand diapause, we gain valuable insights into ecological balance, species conservation, and sustainable agricultural practices. The study of diapause not only enriches our knowledge of biology but also emphasizes the importance of preserving the delicate systems that support life on our planet.

滞育是自然界中各种生物表现出的适应能力之一，许多昆虫、甲壳类动物甚至一些哺乳动物在面对不利环境条件时，会经历一种被称为滞育的停滞发育期。这种迷人的现象使这些生物能够在严酷的气候、食物短缺或其他不利情况下生存。理解滞育不仅揭示了生命的韧性，还有重要的生态和保护意义。滞育的概念可以追溯到生物在数百万年中发展出的进化策略。例如，许多蝴蝶和蛾子在冬季进入滞育状态，使它们能够抵御严寒的温度。通过暂停发育，这些昆虫可以节省能量和资源，直到条件变得更加有利于生长和繁殖。类似地，某些青蛙和乌龟在极端干旱期间也会表现出滞育，推迟其生命周期，直到水源返回其栖息地。滞育背后的生理机制复杂且因物种而异。在昆虫中，激素变化在启动和终止这一状态中起着关键作用。当检测到降低的温度或更短的日照时间等环境信号时，激素信号会触发滞育的开始。相反，当条件改善时，其他激素变化会发出信号，标志着这一休眠阶段的结束，使生物能够恢复正常的生命周期。对滞育的研究揭示了其超越生存的重大意义。例如，了解不同物种何时以及如何进入滞育可以帮助科学家预测种群动态和气候变化的潜在影响。随着全球气温上升和天气模式的变化，滞育的时机可能会被改变，从而影响繁殖周期和生存率。这一知识对于制定有效的保护策略，以保护脆弱物种至关重要。此外，滞育并不限于野生生物。在农业中，农民常常会遇到利用滞育作为生存策略的害虫。通过识别即将到来的滞育的迹象，农民可以实施针对这些休眠期的害虫管理措施，减少作物损害，同时最小化农药使用。这一生态与农业的交集突显了理解滞育在现实世界中的实际应用。总之，滞育是一种非凡的适应能力，展示了生命在克服环境挑战方面的聪明才智。从昆虫到两栖动物，在不利条件下暂停发育的能力证明了自然的韧性。随着我们继续研究和理解滞育，我们获得了关于生态平衡、物种保护和可持续农业实践的宝贵见解。对滞育的研究不仅丰富了我们对生物学的认识，还强调了保护支持地球生命的微妙系统的重要性。