Gunpowder was used in China as far back as the 11 th century.远在公元11世纪,中国已使用火药.A smell of gunpowder penetrated the woods.森林中弥漫着火药味.Gunpowder was introduced into Europe during the first half of the 14 th century.在14世纪上半叶,火...
Gunpowder is composed of sulfur, carbon, and potassium nitrate.火药是由硫 、 碳和硝酸钾组成.A smell of gunpowder penetrated the woods.森林中弥漫着火药味.Gunpowder was used in China as far back as the 11 th century.远在公元11世纪,中国已使用火药.Gunpowder w...
Automation has obsoleted many unskilled workers.自动化使很多非技术工人受到淘汰.There is a common misconception that war has obsoleted the peace progress.人们普遍错误地认为战争已经破坏了和平进程.For that,'re sorry - but at least it's been obsolet...
地球上的自然生态系统起着一种缓冲的作用.The world's natural ecosystems act as a buffer.变动汇率在面临资本流动冲击时能产生一种缓冲的效果.Flexible exchange rates yield an intermediate outcome in the face of capital - flow shocks.缓冲的标记设置为指定的偏移量.The buffer's...