研究了用酸性乙腈硫酸铜体系从辉铜矿中提取铜.Leaching of copper from chalcocite with acidic acetonitrilecopper sulphate system was studied.除自然铜和孔雀石之外, 还有黄铜矿 、 斑铜矿 、 辉铜矿 、 铜蓝和黝铜矿等.In addition to the natural copper and malachite, there are chalc...
他十分大度地祝贺他的继任者做出了决定。He was generous enough to congratulate his successor on his decision.我向他表示祝贺，并走过去和他握手。I said congratulations and walked over to him and shook his hand.“祝贺你，”他真诚地说。"Congratulations," he said sincerely....
Did a power failure cause the food to spoil and become malodorous in your fridge?停电引起食物变坏,冰箱里异味横生,您有过这样的事 吗 ?We all know that fats spoil by becoming rancid.我们都知道油脂变质后会发臭。He is a man who will spoil rather than accomplish ...
an unsympathetic response冷淡的反应...an unsympathetic doctor.冷漠的医生Save your breath!Don’t even mention your illness to your unsympathetic boss.省点力气吧!甚至别对你那位没有同情心的老板提及你生病的事。He's unsympathetic, but charismatic and complex....
Meggie would enrich the postal service with letters every day, at least to Dane.麦琪,每天都会用信来使邮局赚到一点钱的, 至少要写给丹尼.However, Pre - S 1 is located on Dane granule and is a reliable indicator of replication.但 Pre -S1存在于Dane颗粒上,是复...