micra

简明释义

英[ˈmaɪkrə]美[ˈmaɪkrə]

n. 微米

英英释义

单词用法

同义词

反义词

例句

1.Nissan is recalling 2.14 million vehicles in the US, Japan, Europe and Asia, including the popular Micra model, for an ignition problem that may stall the engine.

尼桑在美国，日本，欧洲和亚洲召回214万辆汽车，包括畅销车型米克拉，原因是点火问题，可能会导致发动机熄火。

2.Environmental descriptions of micra-novels, depend on descriptions of the sight and the sub- stance.

微型小说的环境描写，依托于具体的景与物的描写。

3.Nissan is recalling 2.14 million vehicles in the US, Japan, Europe and Asia, including the popular Micra model, for an ignition problem that may stall the engine.

尼桑在美国，日本，欧洲和亚洲召回214万辆汽车，包括畅销车型米克拉，原因是点火问题，可能会导致发动机熄火。

4.Driving a micra in the city makes navigating through traffic much easier.

在城市驾驶微型车使得穿越交通更加容易。

5.The new car model is a compact vehicle, often referred to as the micra.

这款新车是一款紧凑型车辆，通常被称为微型车。

6.The micra is known for its affordability and reliability.

这款微型车以其经济实惠和可靠性而闻名。

7.Many city dwellers prefer a micra for its ease of parking and fuel efficiency.

许多城市居民更喜欢微型车，因为它易于停车且燃油效率高。

8.I was surprised by how much space there is inside the micra.

我惊讶于微型车内部有多少空间。

作文

In today's fast-paced world, technology continues to evolve at an unprecedented rate. One such advancement that has caught the attention of scientists and researchers is the concept of micra (微米). This term refers to a measurement in the microscopic scale, specifically one millionth of a meter. Understanding micra is crucial, especially in fields such as biology, materials science, and nanotechnology.The significance of micra cannot be overstated. In biology, for example, many cellular structures are measured in micrometers. The diameter of a human hair is approximately 70 micra, while red blood cells measure about 7 micra. This small scale is essential for understanding how cells interact with one another and how they function in various environments. Researchers often use micra to describe the size of microorganisms, which play a vital role in ecosystems and human health.In materials science, the concept of micra is equally important. Engineers and scientists study materials at the microscopic level to develop new products and improve existing ones. For instance, the strength and durability of materials can be enhanced by manipulating their structure at the micra scale. This has led to the development of advanced materials used in construction, aerospace, and electronics. By understanding the properties of materials at the micra level, scientists can create innovations that were once thought impossible.Moreover, nanotechnology, which deals with structures on the atomic and molecular scale, often overlaps with the concept of micra. While nanotechnology focuses on dimensions smaller than micra, the tools and techniques developed to manipulate materials at the micra scale are foundational for advancements in this field. For example, drug delivery systems that operate at the micra level can target specific cells in the body, improving the efficacy of treatments while minimizing side effects.The implications of understanding micra extend beyond scientific research; they also have practical applications in everyday life. For example, air filters that capture particles as small as 0.3 micra can significantly improve indoor air quality, reducing allergens and pollutants. Similarly, advances in skincare products often utilize nanoparticles that operate at the micra level to enhance absorption and effectiveness.As we continue to explore the universe at ever-smaller scales, the relevance of micra will only grow. Education systems must adapt to incorporate these concepts into curricula, ensuring that future generations understand the importance of microscopic measurements. By fostering a deeper understanding of micra, we prepare students to tackle complex challenges in science and technology.In conclusion, the term micra represents more than just a unit of measurement; it embodies a gateway to understanding the intricate details of our world. From biology to engineering, the implications of micra are vast and varied. As we push the boundaries of what we know, the study of micra will undoubtedly play a pivotal role in shaping the future of science and technology.

在当今快节奏的世界中，科技以空前的速度不断发展。其中一个引起科学家和研究人员注意的进展是“micra”（微米）这一概念。这个术语指的是微观尺度上的一种测量，特别是百万分之一米。理解micra至关重要，尤其是在生物学、材料科学和纳米技术等领域。micra的重要性不容小觑。例如，在生物学中，许多细胞结构的测量单位是微米。人类头发的直径大约是70micra，而红血球的直径约为7micra。这种小尺度对理解细胞之间的相互作用以及它们在各种环境中的功能至关重要。研究人员常常使用micra来描述微生物的大小，这些微生物在生态系统和人类健康中发挥着重要作用。在材料科学中，micra的概念同样重要。工程师和科学家在微观层面研究材料，以开发新产品并改善现有产品。例如，通过操控材料在micra尺度上的结构，可以增强材料的强度和耐久性。这导致了用于建筑、航空航天和电子产品的先进材料的发展。通过理解材料在micra水平上的特性，科学家可以创造出曾经被认为不可能的创新。此外，纳米技术涉及原子和分子尺度的结构，通常与micra的概念重叠。虽然纳米技术关注的是比micra更小的尺寸，但在micra尺度上操控材料所开发的工具和技术是这一领域进步的基础。例如，操作在micra水平的药物递送系统可以针对体内特定细胞，从而提高治疗的有效性，同时减少副作用。理解micra的意义不仅限于科学研究；它在日常生活中也有实际应用。例如，能够捕获小至0.3micra颗粒的空气过滤器可以显著改善室内空气质量，减少过敏原和污染物。同样，护肤产品的进步通常利用在micra水平上运作的纳米颗粒，以增强吸收和效果。随着我们继续探索宇宙的微小尺度，micra的相关性将只会增加。教育系统必须适应这些概念，确保未来的学生理解微观测量的重要性。通过加深对micra的理解，我们为学生解决科学和技术中的复杂挑战做好准备。总之，micra这个术语代表的不仅仅是一个测量单位；它体现了理解我们世界复杂细节的一个入口。从生物学到工程学，micra的影响广泛而多样。随着我们不断拓展知识的边界，对micra的研究无疑将在塑造科学与技术的未来中发挥关键作用。