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...
宽阔的马路被缓慢前行的车辆堵得严严实实。The wide road was blocked solid with traffic that moved along sluggishly.禁止妓女在马路上和公共场所公然拉客。Prostitutes were forbidden to solicit on public roads and in public places.他们还在争吵；我在马路的那头都能听见他们的声音。They were ...