疼痛是从他右大腿的某处开始的。The pain originated from a point in his right thigh.鸟儿在某处唧唧喳喳地叫着。Birds were chattering somewhere.我断定我一定是在某处拐错弯了.I decided that I must have taken a wrong turning somewhere....
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...