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单词 Gun Powder
释义

Gun Powder

原声例句
科普小杂文

From martial arts to gun powder and liquor.

从武术到火药和酒。

America The Story of Us

They set off the gun powder in the shell.

它们用来引爆枪膛内的火药。

TED演讲(视频版)双语精选

1919, we had gun powder; 1950, we had nuclear power.

1919 年,我们有枪作为武器;1950 年,我们有了核能。

趣谈语言学

Gun powder wrapped in a paper tortilla.

裹在纸饼里的火药。

当月 CNN 10 学生英语

That's where fireworks first appeared following the invention of gun powder, and now China produces more fireworks than any country in the world.

那是在火药发明后,烟花首次出现的地方,现在中国生产的烟花比世界上任何一个国家都多。

Engvid超级外教精选

And we put him on a bonfire and we set fire to him, and we say: " Remember, remember the 5th of November, gun powder, treason, and plot. And we never will forget" , dah-dah-dah-dah-dah-dah.

我们把它放在篝火上,烧了它,我们说:“记住11月5日,火药,叛国,阴谋。我们绝不忘记。”

美国历史

Salt, iron, guns, powder, and the absolute essentials which the pioneers had to buy mainly in Eastern markets were carried over narrow wagon trails that were almost impassable in the rainy season.

盐、铁、枪支、火药,以及先驱们主要在东部市场购买的绝对必需品, 都是通过狭窄的马车小道运送的, 这些小道在雨季几乎无法通行。

趣谈语言学

(exploding) Though tacos can be explosive depending on how many jalapenos are in them, some have pointed out that a mahiz flatbread stuffed with filling probably predates gun powder in the Americas.

(爆炸)尽管炸玉米饼可能会爆炸, 具体取决于其中的墨西哥辣椒数量,但一些人指出, 在美洲,一种塞满馅料的马赫兹大饼可能早于火药。

120句

87. The slim pirate was wandering the gulf at a constant pace when he overtook an African jewel and ivory boat with courage and persuaded the sailors to lend him all their navigation tools, gun powder, atlases and scopes.

这位精瘦的海盗在海湾匀速游弋,他勇敢地超越了一艘(运载) 珠宝和象牙的非洲船只,并说服船员们将他们的导航工具、火药、地图册和望远镜全都借给他。

中文百科

火药 Gunpowder

(重定向自Gun Powder)
黑火药
十世纪五代时期的敦煌(时属归义军)壁画,目前所知最早的关于火枪和手榴弹(右上方)的描绘。[14]世界上最早的金属火统出土于中国黑龙江,制作年代为1288年,现藏黑龙江省博物馆。[15][16]
武经总要全前集卷十二火药制法

火药又被称为黑火药,是一种早期的炸药,直到17世纪中叶都是唯一的化学爆炸物。火药一般由硫磺、木炭和硝石(硝酸钾)混合而成,其木炭是作为燃料,而硫磺和硝石作为氧化剂。由于火药的燃烧特性和能大量产生气体和热量,火药被广泛用作枪械中的发射药和烟花中的烟火药

学术界一般认为火药发明于7世纪的中国,是中国术士为炼制长生不老药而得到的副产品。早在唐代的《太上圣祖金丹秘诀》里,就有了早期****的书面记载。火药的发现导致了烟花的发明和早期火药武器在中国出现。随后火药武器也陆续在阿拉伯、欧洲和印度出现。一般认为欧洲的火药技术是由阿拉伯人传播过去的。西方最早的有关火药的书面记录是由英国哲学家罗吉尔·培根于13世纪记录。

英语百科

Gunpowder 火药

(重定向自Gun Powder)
Black powder for muzzleloading rifles and pistols in FFFG granulation size. U.S. Quarter (diameter 24 mm) for comparison.
Early Chinese rocket
A Mongol bomb thrown against a charging Japanese samurai during the Mongol invasions of Japan after founding the Yuan Dynasty, 1281.
Yuan Dynasty hand cannon dated to 1288.

Gunpowder, also known as black powder, is the earliest known chemical explosive. It is a mixture of sulfur, charcoal, and potassium nitrate (saltpeter). The sulfur and charcoal act as fuels, and the saltpeter is an oxidizer. Because of its burning properties and the amount of heat and gas volume that it generates, gunpowder has been widely used as a propellant in firearms and as a pyrotechnic composition in fireworks. Formulations used in blasting rock (such as in quarrying) are called blasting powder. Gunpowder is mainly used in older guns now because the propellants used today are too powerful and could break the already fragile barrels.

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更新时间:2025/6/22 1:09:28