gun powder

简明释义

火药

英英释义

A mixture of sulfur, charcoal, and potassium nitrate that is used as a propellant in firearms and fireworks.

一种由硫、木炭和硝酸钾混合而成的物质,用作火器和烟花中的推进剂。

例句

1.The chemist studied the properties of gun powder for safety regulations.

化学家研究了火药的性质以制定安全规定。

2.He carefully measured the amount of gun powder needed for the experiment.

他仔细测量了实验所需的火药量。

3.He explained how gun powder is made from saltpeter, charcoal, and sulfur.

他解释了火药是如何由硝石、木炭和硫磺制成的。

4.The old soldier always kept a supply of gun powder in case of emergencies.

那位老兵总是备有一些火药以防紧急情况。

5.During the historical reenactment, they used real gun powder to fire the cannons.

在历史重演中,他们用真正的火药来发射大炮。

作文

Gunpowder has played a significant role in shaping the course of history, influencing warfare, exploration, and even the development of modern technology. The term gun powder refers to a chemical mixture that has been used as a propellant in firearms and explosives since its invention in ancient China. Its composition typically includes saltpeter (potassium nitrate), charcoal, and sulfur. When ignited, gun powder produces an explosive reaction that generates gas and heat, propelling projectiles at high speeds. This fundamental principle of combustion has not only transformed military tactics but also paved the way for advancements in engineering and construction.The origins of gun powder can be traced back to the 9th century during the Tang Dynasty. Initially, it was used for medicinal purposes before its potential as a weapon was realized. The use of gun powder in warfare revolutionized combat strategies, leading to the development of cannons and firearms. The introduction of these weapons changed the dynamics of battles, allowing armies to engage from greater distances and with more destructive power.As nations began to harness the power of gun powder, it became a critical component in the arsenal of empires. The European powers, in particular, capitalized on this innovation during the Age of Exploration. Ships equipped with cannons powered by gun powder could dominate the seas, facilitating colonization and trade. This period marked a significant shift in global power dynamics, as countries with superior weaponry could impose their will on others.In addition to its military applications, gun powder has also found its place in various cultural practices. Fireworks, which are essentially a celebration of gun powder's explosive properties, have been used for centuries in festivals and ceremonies around the world. The vibrant colors and booming sounds produced by fireworks are a testament to the beauty that can arise from this powerful substance. However, the impact of gun powder is not without its consequences. The destructive capabilities of gun powder have led to countless conflicts and loss of life throughout history. The ethical implications of using such a potent tool for destruction have sparked debates about the responsibility of nations and individuals in wielding this power. As we continue to advance technologically, the challenge remains to balance the benefits of gun powder in various fields against its potential for harm.In conclusion, gun powder is more than just a simple chemical mixture; it is a symbol of humanity's ingenuity and its darker tendencies. Its influence on history is undeniable, shaping the way wars are fought and how civilizations interact. Understanding the legacy of gun powder allows us to appreciate both its contributions to society and the lessons learned from its misuse. As we move forward, it is essential to remember the dual nature of gun powder—a tool for progress as well as a catalyst for destruction. By studying its history, we can better navigate the complexities of our modern world and strive for a future where the power of gun powder is used responsibly and wisely.

火药在塑造历史进程中发挥了重要作用,影响了战争、探险,甚至现代技术的发展。术语gun powder指的是一种化学混合物,自古代中国发明以来,一直被用作火器和爆炸物的推进剂。它的成分通常包括硝石(硝酸钾)、木炭和硫。当点燃时,gun powder会产生爆炸反应,生成气体和热量,以高速推动弹丸。这一燃烧的基本原理不仅改变了军事战术,还为工程和建筑的进步铺平了道路。gun powder的起源可以追溯到9世纪的唐朝。最初,它被用于医疗用途,后来才意识到其作为武器的潜力。在战争中使用gun powder彻底改变了战斗策略,导致大炮和火器的发展。这些武器的引入改变了战斗的动态,使军队能够从更远的距离和更具破坏力的方式进行交战。随着国家开始利用gun powder的力量,它成为帝国武器库中的关键组成部分。特别是欧洲列强在探索时代期间,充分利用了这一创新。装备有由gun powder提供动力的火炮的船只能够主宰海洋,促进殖民和贸易。这一时期标志着全球权力动态的重大转变,因为拥有更先进武器的国家能够将自己的意志强加于他国。除了军事应用,gun powder还在各种文化实践中找到了自己的位置。烟花,实际上是对gun powder爆炸特性的庆祝,几个世纪以来一直用于世界各地的节日和仪式。烟花所产生的生动色彩和轰鸣声证明了这一强大物质所能产生的美丽。然而,gun powder的影响并非没有后果。gun powder的破坏能力导致历史上无数冲突和生命损失。使用如此强大的毁灭工具的伦理问题引发了关于国家和个人在使用这种力量时的责任的辩论。随着我们继续在技术上取得进展,挑战仍然是平衡gun powder在各个领域的好处与其潜在危害之间的关系。总之,gun powder不仅仅是一种简单的化学混合物;它是人类创造力及其阴暗倾向的象征。它对历史的影响不可否认,塑造了战争的方式以及文明之间的互动。理解gun powder的遗产使我们能够欣赏它对社会的贡献以及从其误用中吸取的教训。随着我们向前发展,记住gun powder的双重性质至关重要——既是进步的工具,也是毁灭的催化剂。通过研究它的历史,我们可以更好地驾驭现代世界的复杂性,并努力追求一个负责任和明智地使用gun powder力量的未来。

相关单词

gun

gun详解:怎么读、什么意思、用法