The main copper minerals are malachite, chrysocolla, little chalcopyrite, chalcosine and even little bornite and covellite.矿石主要含铜矿物为孔雀石 、 硅孔雀石, 少量的黄铜矿 、 辉铜矿及极少量的斑铜矿和铜蓝等....
The books looked faded, dusty and unused.那些书看上去褪了色，尘封已久。Prune rambling roses when the flowers have faded.花朵凋谢后要剪除杂生的玫瑰枝。All colour had faded from the sky.天上的颜色都退去了。...
我要一份你的手迹.I request a specimen of your hand of writ.这些手稿是巴赫本人的手迹.The manuscripts were written in Bach's own hand.这是哈丽特的手迹.This is the script of Harriet....
In her view, war is simply a legalised form of butchery.在她看来，战争只不过是一种合法化的屠杀。Instead of meeting , we be vegetarian. Tolstoy once said: Where there is butchery, there is battlefield.我们更应坚持素食, 托尔斯泰曾说过: 只要有屠场, 就会有战场.Butchery...