英语翻译Black powder first used in U.S.at Copper Mine in Connecticut.First use of black powder in construction of road tunnel in Pennsylvania.

英语翻译Black powder first used in U.S.at Copper Mine in Connecticut.First use of black powder in construction of road tunnel in Pennsylvania. powder Black powder怎么制作?纯业余爱好 能用给100 英语翻译就是fir乐队里面的一首歌 英语翻译全是关于橡胶手套方面的短语Powder Free-Full texturePre-Powder SmoothPowder Free 谁能翻译 Soft white waxy phosphorescent solid,brown-red powder or black. 英语翻译保鲜袋珍珠粉（该不会就是pearl powder吧） 英语翻译请准确翻译,ash、dust和powder的区别 英语翻译：black slang 英语翻译black plums 英语翻译black word 英语翻译New Powder Pouch,made from 100%cotton and filled with talc powder,getsextra sand off without making a mess. Finish Chrome,Polished Chrome,Powder coat semi gioss black这3个表面处理什么意思啊? FIR的 FIR,IIR滤波器是什么意思FIR, 英语翻译When Iraqi troops blew up hundreds of Kuwaiti oil well at the end of Gulf War,scientists feared environmental disaster.Would black powder in the smoke from the fires circles the globe and block out the sun?Many said “No way?; rain would 英语翻译1.When A troops blew up hundreds of B oil wells at the end of the war 2 would black powder in the smoke from the fires circle the globe and block out the sun?3Very little will be done to bring it under control.4.where is industry’s and 英语翻译是大学英语文章里的一段，上下文是：Black stockings and heels topped off her outfit.she was a vision in ebony.Her neck and the top of her breast glittered with shiny powder that gave her a slightly unreal look.