adventitious

简明释义

英[ˌædvenˈtɪʃəs]美[ˌædvenˈtɪʃəs]

adj. 外来的，偶然的

英英释义

单词用法

同义词

反义词

例句

1.Differentiation medium for adventitious shoots of different genotypes were decided.

确定了各基因型的不定芽分化培养基。

2.After 12-14 days, adventitious root primordia developed into young adventitious roots.

大约经12—14天，不定根原基发育为幼小不定根并伸出周皮之外。

3.Adventitious shoots took root and grew to regenerated plants on MS medium.

不定芽在MS培养基中可以生根，长成健康植株。

4.The result shows that auxin polar transport plays an important role in adventitious root formation.

结果提示，生长素极性运输活性对不定根形成起着重要作用。

5.Adventitious buds were formed from calluses.

不定芽由愈伤组织分化形成。

6.And the contents of total alkaloid in adventitious roots is higher than that in calli and buds.

其中不定根中的总生物碱含量高于愈伤组织和不定芽丛。

7.The promotion of adventitious root formation by auxin was proven to be related to ethylene releasing.

生长素类物质处理插穗促进不定根形成，与诱导乙烯释放有关。

8.With the development of the vascular systems in the adventitious roots, the roots extrude from the lenticel or the cutting callus.

随着不定根内部的维管系统的发育，不定根从皮孔或下切口伸出。

9.Her career took an adventitious 偶然的 turn when she stumbled upon an opportunity in a different field.

她的职业生涯在她偶然发现一个不同领域的机会时发生了adventitious 偶然的 转变。

10.The adventitious 偶然的 nature of their meeting made it feel like fate brought them together.

他们相遇的adventitious 偶然的 性质让人觉得命运将他们聚集在一起。

11.The doctor explained that adventitious 偶然的 sounds in the lungs could indicate an underlying health issue.

医生解释说，肺部的adventitious 偶然的 声音可能表明潜在的健康问题。

12.The scientist noted that the plant's growth was largely due to adventitious 偶然的 roots that developed in response to environmental changes.

科学家指出，这种植物的生长主要是由于对环境变化作出反应而形成的adventitious 偶然的 根。

13.In her research, she discovered that adventitious 偶然的 mutations can lead to unexpected traits in organisms.

在她的研究中，她发现adventitious 偶然的 突变可能导致生物体出现意想不到的特征。

作文

In the realm of biology, the term adventitious refers to structures or organisms that arise in unexpected locations or circumstances. This concept can be applied not only to plants and animals but also to various aspects of life. For instance, consider a plant that develops roots from its stem rather than from the ground. This unusual growth pattern is termed adventitious rooting. Such adaptations are crucial for survival, especially in challenging environments. They showcase nature's remarkable ability to innovate and adjust to changing conditions. Adventitious traits often provide organisms with a competitive edge, allowing them to thrive where others may fail.Beyond the biological context, the idea of adventitious can also resonate in our everyday lives. Many of us encounter situations that lead to unexpected opportunities. For example, a chance meeting with a stranger might open doors to new friendships or career prospects. These serendipitous moments can significantly alter the course of our lives, much like how adventitious roots help a plant survive in adverse conditions.Furthermore, the concept of adventitious can be linked to personal growth and self-discovery. Sometimes, we find ourselves in situations that seem random or unplanned, yet they lead to profound insights about who we are and what we desire. Embracing these adventitious experiences can enrich our lives, pushing us out of our comfort zones and encouraging us to explore new avenues.In literature and art, the theme of adventitious elements often appears as well. Characters may stumble upon unexpected adventures or revelations that change their perspectives. This reflects the unpredictable nature of existence, where the unplanned can lead to the most memorable experiences. Writers often use adventitious events to drive the plot forward, illustrating how chance encounters can lead to significant outcomes.Moreover, in the world of science and innovation, adventitious discoveries have played a pivotal role in shaping our understanding of the universe. Many scientific breakthroughs have occurred by accident, leading researchers down paths they had not initially considered. The discovery of penicillin by Alexander Fleming is a prime example of an adventitious finding that revolutionized medicine. Such instances remind us that while we may plan meticulously, sometimes the most impactful results come from unforeseen circumstances.In conclusion, the term adventitious encompasses a wide array of meanings and implications across various fields. Whether in biology, personal experiences, literature, or scientific discoveries, the notion of the unexpected holds significant value. It teaches us to remain open to possibilities and to embrace the unpredictable nature of life. By recognizing and appreciating the adventitious aspects of our journeys, we can cultivate resilience and adaptability, ultimately enriching our experiences and broadening our horizons.

在生物学领域，术语adventitious指的是在意想不到的位置或情况下出现的结构或生物。这个概念不仅适用于植物和动物，还可以应用于生活的各个方面。例如，考虑一种从其茎部而非地面生长根系的植物。这种不寻常的生长模式被称为adventitious根系。这种适应性对生存至关重要，特别是在恶劣的环境中。它们展示了自然创新和调整变化条件的非凡能力。Adventitious特征通常为生物提供了竞争优势，使它们能够在其他生物可能失败的地方茁壮成长。除了生物学背景外，adventitious的概念也可以与我们日常生活中的许多情况产生共鸣。我们中的许多人会遇到导致意外机会的情况。例如，与陌生人的偶然相遇可能会为新的友谊或职业前景打开大门。这些机缘巧合的时刻可以显著改变我们生活的轨迹，就像adventitious根系帮助植物在不利条件下生存一样。此外，adventitious的概念还可以与个人成长和自我发现联系在一起。有时，我们发现自己处于看似随机或无计划的情况中，但这些情况却导致了对我们是谁以及我们想要什么的深刻洞察。拥抱这些adventitious经历可以丰富我们的生活，推动我们走出舒适区，鼓励我们探索新的途径。在文学和艺术中，adventitious元素的主题也经常出现。角色可能会偶然发现意外的冒险或启示，从而改变他们的视角。这反映了存在的不可预测性，在这里，计划之外的事情可能导致最难忘的经历。作家们常常利用adventitious事件来推动情节发展，说明偶然的相遇如何导致重要的结果。此外，在科学和创新的世界中，adventitious发现在塑造我们对宇宙的理解方面发挥了关键作用。许多科学突破都是偶然发生的，导致研究人员走上了他们最初没有考虑的道路。亚历山大·弗莱明发现青霉素就是一个典型的adventitious发现，它彻底改变了医学。这些实例提醒我们，尽管我们可能会精心规划，但有时最具影响力的结果来自于意想不到的情况。总之，术语adventitious在各个领域包含了广泛的意义和含义。无论是在生物学、个人经历、文学还是科学发现中，意外的概念都具有重要价值。它教会我们保持开放的可能性，拥抱生活的不可预测性。通过识别和欣赏我们旅程中的adventitious方面，我们可以培养韧性和适应能力，最终丰富我们的经历，拓宽我们的视野。