precursor

简明释义

英[priˈkɜːsə(r)]美[priˈkɜːrsər]

n. （事物）先驱，先兆；（尤指经新陈代谢形成另一种物质的）前体，前质

英英释义

单词用法

同义词

反义词

例句

1.Early scribbling is one precursor to early writing which can lead to reading.

幼儿的涂鸦是一种书写，也是阅读的前兆。

2.One such substitute was a salty paste of fermented grains, an early precursor of modern soy sauce.

其中之一的替代品就是咸的粘贴粮醅，它就是现代酱油的祖先。

3.The meeting was a precursor to the larger G-20 meeting taking place in Seoul on November 11 and 12.

这次会议将是于今年的月的11日至12日在汉城召开的较大的20国集团会议的前兆。

4.Error is often the precursor of what is correct.

错误常常是正确的先导。

5.Byron could have even been a precursor to the modern rock star.

拜伦也许正是现代摇滚明星的先驱。

6.You may have to control the precursor gases.

你还得控制在反应中产生它们的气体。

7.Uh-oh! The precursor to the stop error screen, which became known as the 'Blue Screen of Death'.

啊哦！预报器停止错误屏幕，这就是有名的“蓝屏死机"。

8.Impatience is often a precursor to self-punishment, so stop way before the red light hits.

焦躁通常是自我惩罚的前兆，因此，你得赶快在红灯亮起之前停下来。

9.He would have been what Nietzsche in an interesting precursor text calls "historical man."

他就像是尼采在他的一篇有趣的，有关先驱者的文章里提到的“历史上的人。”

10.In medicine, certain symptoms can act as a precursor 前兆 to more serious conditions.

在医学上，某些症状可以作为更严重疾病的前兆。

11.The discovery of DNA was a significant precursor 前兆 to modern genetics.

DNA的发现是现代遗传学的重要前兆。

12.The economic downturn was a precursor 先兆 to the financial crisis that followed.

经济衰退是随后的金融危机的先兆。

13.The artist's early work was a precursor 前身 to his later masterpieces.

这位艺术家的早期作品是他后期杰作的前身。

14.Research shows that inflammation can be a precursor 前因 of many chronic diseases.

研究表明，炎症可能是许多慢性疾病的前因。

作文

In the realm of science and technology, the concept of a precursor (前体) plays a vital role in understanding various processes and developments. A precursor is essentially a substance, event, or phenomenon that precedes another and serves as a foundation for it. This idea can be observed across multiple disciplines, including chemistry, biology, and even social sciences. For instance, in chemistry, a precursor might refer to a compound that undergoes a transformation to become a more complex molecule. Understanding these precursors is crucial for scientists who aim to manipulate chemical reactions and synthesize new materials.Furthermore, in the field of biology, certain genes act as precursors (前体) to specific traits or diseases. Researchers often study these genetic precursors to predict the likelihood of developing certain health conditions. For example, the presence of specific mutations in the BRCA1 or BRCA2 genes can be a precursor to breast and ovarian cancers. By identifying these genetic markers, individuals can take preventive measures or seek early intervention, highlighting the importance of understanding precursors in medical science.Beyond the natural sciences, the notion of a precursor extends into social phenomena as well. In sociology, certain societal trends can be considered precursors (前体) to larger movements or changes within a culture. For example, the rise of social media has been a precursor to significant shifts in how people communicate and interact. It has paved the way for the emergence of new forms of activism, such as hashtag movements that mobilize people around social justice issues. Recognizing these precursors allows sociologists to analyze patterns and predict future developments in society.Moreover, in the world of business, understanding market precursors (前体) is essential for companies looking to innovate and stay ahead of their competition. Trends in consumer behavior, technological advancements, and economic indicators can all serve as precursors to market shifts. Businesses that can identify these early signs are better positioned to adapt their strategies and meet the evolving needs of their customers. For instance, the increasing demand for sustainable products has been a precursor to the rise of eco-friendly brands and practices in various industries.In conclusion, the term precursor (前体) encapsulates the essence of what it means to understand progression and causation in various fields. Whether in science, medicine, sociology, or business, recognizing precursors enables us to anticipate changes and make informed decisions. As we continue to explore and study these foundational elements, we gain deeper insights into the complexities of our world and the interconnectedness of different phenomena. Thus, the study of precursors is not just an academic exercise; it is a practical approach to navigating the future with knowledge and foresight.

在科学和技术领域，前体（precursor）这一概念对于理解各种过程和发展至关重要。前体本质上是指一个物质、事件或现象，它在另一个之前，并作为其基础。这一理念可以在多个学科中观察到，包括化学、生物学，甚至社会科学。例如，在化学中，前体可能指的是一个化合物，它经历转化以成为更复杂的分子。理解这些前体对旨在操控化学反应和合成新材料的科学家来说至关重要。此外，在生物学领域，某些基因作为特定特征或疾病的前体（precursor）。研究人员通常研究这些遗传前体以预测发生某些健康状况的可能性。例如，BRCA1或BRCA2基因中的特定突变的存在可以是乳腺癌和卵巢癌的前体。通过识别这些遗传标记，个人可以采取预防措施或寻求早期干预，这突显了在医学科学中理解前体的重要性。超越自然科学，前体的概念也延伸到社会现象中。在社会学中，某些社会趋势可以被视为更大运动或文化变化的前体（precursor）。例如，社交媒体的兴起就是一个前体，它导致了人们沟通和互动方式的重大转变。它为新形式的激进主义铺平了道路，例如动员人们围绕社会正义问题的标签运动。识别这些前体使社会学家能够分析模式并预测社会未来的发展。此外，在商业世界中，理解市场前体（precursor）对希望创新并保持竞争优势的公司至关重要。消费者行为的趋势、技术进步和经济指标都可以作为市场变化的前体。能够识别这些早期迹象的企业更容易调整战略，以满足客户不断变化的需求。例如，对可持续产品日益增长的需求就是一个前体，它促进了各行业生态友好品牌和实践的兴起。总之，前体（precursor）这个术语概括了在各个领域理解进展和因果关系的本质。无论是在科学、医学、社会学还是商业中，识别前体使我们能够预见变化并做出明智的决策。随着我们继续探索和研究这些基础元素，我们对世界的复杂性及不同现象之间的相互联系有了更深刻的见解。因此，研究前体不仅仅是学术活动；它是一种以知识和前瞻性来驾驭未来的实用方法。