gun powder

简明释义

黑色火药

英英释义

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

一种由硝酸钾、木炭和硫磺混合而成的物质,用作火器和烟花中的推进剂。

例句

1.He carefully measured the amount of gun powder needed for the cannon.

他仔细测量了大炮所需的火药量。

2.The explosion was caused by improperly stored gun powder.

爆炸是由于储存不当的火药引起的。

3.The soldiers were trained to handle weapons that used gun powder.

士兵们接受了使用火药的武器的训练。

4.To create a safe environment, they had to dispose of old gun powder properly.

为了创造一个安全的环境,他们必须妥善处理旧的火药

5.In the past, gun powder was a crucial component in fireworks.

在过去,火药是烟花的重要成分。

作文

Gunpowder has played a significant role in shaping the course of history. It is a chemical mixture primarily made of saltpeter, charcoal, and sulfur, which when ignited produces a rapid expansion of gases. This explosive power has been harnessed for various purposes, from military applications to fireworks and mining. The invention of gun powder (火药) marked a turning point in warfare, enabling armies to use cannons and firearms effectively. The impact of gun powder (火药) on battles and sieges cannot be overstated; it revolutionized the way wars were fought and led to the rise and fall of empires.The origins of gun powder (火药) can be traced back to ancient China, where it was first developed during the Tang Dynasty. Initially, it was used for medicinal purposes and later adapted for military use. The knowledge of gun powder (火药) spread along the Silk Road, reaching the Middle East and Europe, where it sparked a series of innovations in weaponry. By the time of the Renaissance, gun powder (火药) had become an essential component of warfare, leading to the development of muskets and artillery.The use of gun powder (火药) in military conflicts changed the dynamics of power. Fortifications that had stood for centuries were rendered obsolete by cannon fire. Battles became more about strategy and less about individual valor. The ability to produce and store gun powder (火药) became a matter of national security, leading to the establishment of state-controlled arsenals and the regulation of its production.In addition to its military applications, gun powder (火药) has also found a place in recreational activities, such as hunting and sport shooting. The thrill of firing a gun can be exhilarating, but it is essential to handle gun powder (火药) with care. Safety measures must be taken to prevent accidents, as gun powder (火药) is highly combustible and can cause serious harm if mishandled.Moreover, the environmental impact of gun powder (火药) production and usage cannot be overlooked. The chemicals involved can pollute waterways and soil, affecting ecosystems and human health. As society evolves, there is a growing need to find safer and more sustainable alternatives to traditional gun powder (火药). Research into new forms of propulsion and explosives aims to minimize the negative effects associated with conventional gun powder (火药).In conclusion, gun powder (火药) has had a profound influence on human civilization. Its invention not only transformed warfare but also paved the way for advancements in technology and industry. While it has brought about significant changes, it is crucial to approach its use with responsibility and awareness of its potential dangers. As we look to the future, it is important to balance the benefits of gun powder (火药) with the need for safety and environmental sustainability.

相关单词

gun

gun详解:怎么读、什么意思、用法