light source
简明释义
光源
英英释义
A light source is an object or device that emits light, either naturally, such as the sun or stars, or artificially, such as light bulbs or LEDs. | 光源是指发出光的物体或设备,可以是自然的,如太阳或星星,也可以是人造的,如灯泡或LED灯。 |
例句
1.In photography, a natural light source can enhance the quality of the images.
在摄影中,自然的光源可以提高照片的质量。
2.Street lamps serve as important light sources for nighttime safety.
街灯作为夜间安全的重要光源。
3.During the power outage, candles became our only light source.
在停电期间,蜡烛成了我们唯一的光源。
4.LED bulbs are energy-efficient light sources for home lighting.
LED灯泡是家用照明的节能光源。
5.The sun is the most powerful light source in our solar system.
太阳是我们太阳系中最强大的光源。
作文
In our daily lives, we often take for granted the various ways in which we illuminate our surroundings. One of the most fundamental aspects of lighting is the concept of a light source, which refers to any device or natural phenomenon that emits light. Understanding what constitutes a light source can enhance our appreciation for both artificial and natural lighting. Natural light sources include the sun, stars, and even fire. The sun is the most significant light source for life on Earth, providing not only illumination but also warmth and energy necessary for photosynthesis. Without the sun, our planet would be a dark, cold place, devoid of life as we know it. At night, the moon and stars serve as secondary light sources, reflecting sunlight and creating a serene ambiance in the darkness. Fire, whether from a campfire or a candle, has been a vital light source for humanity throughout history, offering both light and heat. Artificial light sources have evolved dramatically over time. From the early days of torches and oil lamps to the modern age of electric bulbs and LEDs, our ability to create light has transformed our living spaces and lifestyles. Incandescent bulbs, for instance, were once the primary light source in households, providing warm, inviting light. However, they are now being replaced by more energy-efficient options like CFLs (compact fluorescent lamps) and LEDs (light-emitting diodes). These modern light sources consume less energy and have a longer lifespan, making them environmentally friendly choices. The choice of light source can significantly affect the mood and functionality of a space. For example, bright, cool-toned lights can enhance focus and productivity in work environments, while soft, warm lighting creates a cozy atmosphere in homes. Additionally, different light sources can be used for various purposes, such as task lighting for reading or ambient lighting for relaxation. Moreover, the concept of a light source extends beyond mere illumination; it encompasses the science of optics and the behavior of light itself. Light travels in waves and can be manipulated through reflection, refraction, and diffusion. Understanding these principles allows us to design better lighting solutions that not only serve their purpose but also enhance the aesthetic appeal of a space. In conclusion, the term light source encompasses a wide range of phenomena and devices that emit light, both natural and artificial. By recognizing the importance of light sources in our lives, we can make informed choices about lighting that improve our environments and overall well-being. Whether it’s the comforting glow of a candle or the bright efficiency of an LED bulb, each light source plays a crucial role in shaping our experiences and interactions with the world around us.
在我们的日常生活中,我们常常理所当然地认为照亮周围环境的各种方式。照明的一个基本方面是光源的概念,它指的是任何发出光的设备或自然现象。理解什么构成光源可以增强我们对人工和自然光照的欣赏。自然的光源包括太阳、星星甚至火。太阳是地球上生命最重要的光源,不仅提供光照,还提供植物光合作用所需的温暖和能量。没有太阳,我们的星球将是一个黑暗、寒冷的地方,缺乏我们所知的生命。在夜晚,月亮和星星作为次要的光源,反射阳光,在黑暗中创造出宁静的氛围。火,无论是篝火还是蜡烛,历史上一直是人类重要的光源,提供光和热。人工光源经历了巨大的演变。从早期的火把和油灯到现代电灯泡和LED灯,我们创造光的能力改变了我们的生活空间和生活方式。例如,白炽灯曾经是家庭的主要光源,提供温暖、宜人的光。然而,它们现在正被更节能的选择如CFL(紧凑型荧光灯)和LED(发光二极管)取代。这些现代光源消耗更少的能源,使用寿命更长,使它们成为环保的选择。光源的选择可以显著影响空间的氛围和功能。例如,明亮、冷色调的灯光可以提高工作环境中的专注力和生产力,而柔和、温暖的灯光则在家中营造出舒适的氛围。此外,不同的光源可以用于各种目的,例如阅读的任务照明或放松的环境照明。此外,光源的概念不仅限于简单的照明;它还包含了光学科学和光的行为。光以波的形式传播,可以通过反射、折射和扩散进行操控。理解这些原理使我们能够设计出更好的照明解决方案,这些解决方案不仅能达到其目的,还能增强空间的美感。总之,光源一词涵盖了发出光的各种现象和设备,包括自然和人工的。通过认识到光源在我们生活中的重要性,我们可以做出明智的照明选择,从而改善我们的环境和整体福祉。无论是蜡烛的温暖光辉,还是LED灯泡的明亮高效,每个光源在塑造我们与周围世界的体验和互动中都发挥着至关重要的作用。