electric spark

简明释义

电火花

英英释义

A brief and intense discharge of electricity that occurs when there is a sudden flow of current between two conductive points, often resulting in a visible flash or sound.

当电流在两个导体之间突然流动时,发生的短暂而强烈的电力释放,通常伴随可见的闪光或声音。

例句

1.The moment the wires touched, an electric spark appeared, indicating a short circuit.

当电线接触的那一瞬间,出现了一个电火花,这表明发生了短路。

2.The technician warned us to be careful around the electric spark generated by the faulty equipment.

技术员提醒我们在故障设备产生的电火花附近要小心。

3.In the lab, we observed an electric spark during the electrolysis experiment.

在实验室中,我们在电解实验中观察到了一个电火花

4.When you rub your feet on the carpet and touch a metal doorknob, you might feel an electric spark.

当你在地毯上摩擦双脚,然后触摸金属门把手时,你可能会感到一个电火花

5.An electric spark can ignite flammable materials, so safety precautions are necessary.

一个电火花可以点燃易燃材料,因此需要采取安全预防措施。

作文

The concept of an electric spark has fascinated scientists and laypeople alike for centuries. An electric spark is essentially a discharge of electricity that occurs when there is a sudden flow of electric current through the air or another medium. This phenomenon can be observed in various contexts, from the simple act of touching a metal doorknob after walking on a carpet to the dramatic display of lightning during a thunderstorm. Understanding the nature of an electric spark not only sheds light on the principles of electricity but also illustrates the beauty of natural phenomena.In our daily lives, we often encounter electric sparks without even realizing it. For instance, when we shuffle our feet across a carpet and then touch a conductive surface, we may feel a tiny shock. This is a small-scale example of an electric spark. The buildup of static electricity on our bodies creates a potential difference, and when we make contact with a conductor, the stored energy is released as a tiny spark. This simple occurrence underscores the fundamental principles of electricity and charge.On a larger scale, electric sparks play a crucial role in various technological applications. For example, in combustion engines, a spark plug generates an electric spark that ignites the fuel-air mixture, powering the engine. Similarly, in welding, an electric spark is used to join metals together. These practical applications highlight how understanding and harnessing the power of electric sparks can lead to significant advancements in technology and engineering.Moreover, electric sparks are not limited to artificial environments; they are also a natural phenomenon. Lightning is perhaps the most awe-inspiring example of an electric spark. During a thunderstorm, the buildup of electric charges in clouds can result in a massive discharge of electricity, creating a brilliant flash of light and a deafening roar. This natural electric spark serves as a reminder of the immense power of nature and the forces that govern our world.The study of electric sparks extends beyond mere observation; it encompasses a wide range of scientific disciplines, including physics, chemistry, and environmental science. Researchers explore the mechanisms behind these discharges, studying the conditions that lead to their formation and the effects they have on their surroundings. Through this research, scientists have gained valuable insights into phenomena such as atmospheric electricity and its impact on weather patterns.In conclusion, the phenomenon of an electric spark is a captivating intersection of science and nature. From the everyday occurrences of static electricity to the breathtaking displays of lightning, electric sparks are all around us. By understanding the principles behind these discharges, we can appreciate the intricate workings of the universe and harness the power of electricity for practical applications. Ultimately, the study of electric sparks not only enhances our technological capabilities but also deepens our appreciation for the natural world, reminding us of the delicate balance between human innovation and the forces of nature.

“电火花”的概念几个世纪以来一直吸引着科学家和普通人。电火花本质上是电流通过空气或其他介质时发生的电能释放。这种现象可以在各种环境中观察到,从走在地毯上后触摸金属门把手的简单行为,到雷暴期间闪电的戏剧性展示。理解电火花的性质不仅揭示了电力的原理,还展现了自然现象的美丽。在我们的日常生活中,我们常常在不知不觉中遇到电火花。例如,当我们在地毯上拖着脚走动,然后触摸一个导电表面时,我们可能会感到微小的电击。这是电火花的小规模例子。我们身体上静电的积累产生了潜在差异,当我们与导体接触时,储存的能量以微小火花的形式释放出来。这一简单现象突显了电力和电荷的基本原理。在更大范围内,电火花在各种技术应用中发挥着至关重要的作用。例如,在内燃机中,火花塞产生的电火花点燃燃料和空气的混合物,为发动机提供动力。同样,在焊接中,电火花用于将金属连接在一起。这些实际应用突显了理解和利用电火花的力量如何带来技术和工程的重大进步。此外,电火花不仅限于人工环境;它们也是一种自然现象。闪电可能是电火花最令人敬畏的例子。在雷暴期间,云层中的电荷积累可能导致巨大的电能释放,形成耀眼的光芒和震耳欲聋的轰鸣。这种自然的电火花提醒我们自然界的巨大力量以及支配我们世界的力量。对电火花的研究不仅限于观察;它涵盖了广泛的科学学科,包括物理学、化学和环境科学。研究人员探索这些放电背后的机制,研究导致其形成的条件及其对周围环境的影响。通过这项研究,科学家们获得了对大气电力等现象的宝贵见解,并了解其对天气模式的影响。总之,电火花现象是科学与自然的迷人交汇。从静电的日常现象到闪电的惊人展示,电火花无处不在。通过理解这些放电背后的原理,我们可以欣赏宇宙的复杂运作,并利用电力的力量进行实际应用。最终,对电火花的研究不仅增强了我们的技术能力,也加深了我们对自然世界的欣赏,提醒我们人类创新与自然力量之间的微妙平衡。

相关单词

spark

spark详解:怎么读、什么意思、用法