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....
Seymour's " game " teaches two important lessons.西摩尔的 “ 游戏 ” 给我们两个重要的启示.There had been an unspoken agreement between them that he would not call for her at Seymour House...他们之间曾经有过默契，那便是他不会到西摩屋去找她。Senator Seymour ha...
She is endearingly free of pretensions.她丝毫不做作，很讨人喜爱。He makes no pretensions to skill.他并不自以为有技能。And as far as the governing class made any pretensions to govern, they were ridiculous too.自命有统治能力的统治阶级, 也可笑.Her wide-eyed in...
The operation involves making several cuts in the cornea.该手术要在角膜上做几个切口。Light enters the eye through the cornea.光通过角膜进入眼睛.The main complication was edema of cornea epithelial and endothelial.手术主要并发症是均匀的弥漫性的角膜水肿....
The Mid Autumn Festival is drawing near.中秋节快到了.The Mid - Autumn Festival has arrived. I already eaten a hundred Mood Cakes.中秋节 快到了,我已经吃了快一百个饼了.On the Mid - Autumn Festival, they sat across from each other drinking.中秋佳节二人...