naked eye

简明释义

肉眼

英英释义

例句

1.Many insects are too small to be seen by the naked eye.

许多昆虫太小，无法用肉眼看到。

2.The differences in color are subtle and can only be detected under a microscope, not by the naked eye.

颜色的差异很微妙，只有在显微镜下才能检测到，而不是用肉眼。

3.You can see the stars with the naked eye, but a telescope reveals many more details.

你可以用肉眼看到星星，但望远镜能揭示更多细节。

4.The comet was visible to the naked eye during its peak appearance last month.

上个月，这颗彗星在其最佳出现时可用肉眼观察到。

5.Even though the painting looks perfect to the naked eye, it has several hidden flaws.

尽管这幅画对肉眼看起来完美，但它有几个隐藏的缺陷。

作文

The universe is a vast and mysterious place, filled with wonders that often go unnoticed. When we look up at the night sky, we see countless stars twinkling against the backdrop of darkness. However, what we observe with our naked eye (用肉眼) is just a fraction of what exists beyond our planet. The naked eye can only detect objects that emit or reflect light within a certain range of brightness. This limitation means that many celestial bodies remain invisible to us unless we use telescopes or other advanced instruments.For instance, when we gaze at the Milky Way, we can see a beautiful band of light stretching across the sky. This light is composed of millions of stars, but our naked eye (用肉眼) can only distinguish a few thousand at most. If we had access to powerful telescopes, we would discover an even richer tapestry of stars, galaxies, and nebulae, each with its own unique characteristics.One of the most fascinating aspects of astronomy is how technology has expanded our understanding of the universe. Telescopes have allowed scientists to observe distant galaxies, some of which are billions of light-years away. These observations reveal the structure of the universe and help us understand its origins. Without these tools, our naked eye (用肉眼) would limit us to a simplistic view of the cosmos, devoid of the intricate details that tell the story of our universe.Moreover, the naked eye (用肉眼) is not only limited in terms of distance but also in the spectrum of light it can perceive. For example, we cannot see ultraviolet or infrared light without specialized equipment. This limitation affects our understanding of various phenomena, such as the health of our planet. Scientists use satellites equipped with sensors that can detect these wavelengths, allowing them to monitor climate change, vegetation health, and other critical environmental factors.In addition to astronomy and environmental science, the concept of the naked eye (用肉眼) extends to everyday life. For instance, when we examine objects around us, we rely on our naked eye (用肉眼) to assess their colors, shapes, and sizes. However, there are many details that elude our perception. Microscopes, for example, enable us to explore the microscopic world, revealing bacteria, cells, and even the structure of materials that are invisible to our unaided vision.In conclusion, while the naked eye (用肉眼) allows us to appreciate the beauty of the world around us, it is essential to recognize its limitations. The advancements in technology have opened our eyes to a more profound understanding of the universe and the intricacies of life on Earth. By embracing these tools, we can transcend the boundaries of our naked eye (用肉眼) and unlock the secrets of the cosmos, ultimately enriching our knowledge and appreciation of the world we inhabit.

宇宙是一个广阔而神秘的地方，充满了常常被忽视的奇观。当我们仰望夜空时，会看到无数星星在黑暗的背景下闪烁。然而，我们用naked eye（用肉眼）所观察到的仅仅是我们星球之外存在的事物的一小部分。naked eye（用肉眼）只能探测在特定亮度范围内发光或反射光的物体。这一限制意味着许多天体对我们来说是不可见的，除非我们使用望远镜或其他先进的仪器。例如，当我们凝视银河系时，可以看到一条美丽的光带横跨天空。这道光由数百万颗星星组成，但我们的naked eye（用肉眼）最多只能辨别出几千颗。如果我们能够使用强大的望远镜，就会发现一个更丰富的星星、星系和星云的织锦，每个都有自己独特的特征。天文学中最迷人的方面之一是技术如何扩展了我们对宇宙的理解。望远镜使科学家能够观察到遥远的星系，其中一些距离地球数十亿光年。这些观察揭示了宇宙的结构，并帮助我们理解其起源。如果没有这些工具，我们的naked eye（用肉眼）将限制我们对宇宙的简单看法，缺乏讲述我们宇宙故事的复杂细节。此外，naked eye（用肉眼）不仅在距离上有限，而且在它能感知的光谱上也有限。例如，我们无法在没有专业设备的情况下看到紫外线或红外线。这一限制影响了我们对各种现象的理解，例如我们星球的健康。科学家使用配备传感器的卫星来检测这些波长，使他们能够监测气候变化、植被健康和其他重要环境因素。除了天文学和环境科学，naked eye（用肉眼）的概念还扩展到日常生活中。例如，当我们检查周围的物体时，我们依赖于我们的naked eye（用肉眼）来评估它们的颜色、形状和大小。然而，许多细节是我们无法察觉的。显微镜可以让我们探索微观世界，揭示细菌、细胞，甚至是对我们肉眼不可见的材料结构。总之，虽然naked eye（用肉眼）使我们能够欣赏周围世界的美，但认识到它的局限性是至关重要的。技术的进步使我们能够更深刻地理解宇宙和地球生命的复杂性。通过接受这些工具，我们可以超越naked eye（用肉眼）的界限，揭示宇宙的秘密，最终丰富我们对我们所居住的世界的知识和欣赏。