金矿的主要载金矿物分别为:毒砂 、 磁黄铁矿 、 黄铁矿 、 方铅矿和闪锌矿.The main gold bearing minerals include arsenopyrite, pyrrhotine, pyrite, galena and sphalerite.与黄药相比,乙硫氮是方铅矿更好的选择性捕收剂.Diethyldithiocarbamate was more better selective collector than...
我在欧洲大陆时吃过鸵鸟肉。I've eaten ostrich meat on the continent.鸵鸟能把人踢死。An ostrich can kick a man to death.那位舞蹈演员戴着粉色鸵鸟毛制作的头饰.The dancer wore a headdress of pink ostrich plumes....
At a pinch it can be used as a weapon.必要时可以把它当作武器.Six people, and more at a pinch, could be seated comfortably at the table.这张桌子可以很舒服地坐6个人，而且必要时多坐几个也不会挤。We can get six people round this table at a pinch.必要时这张桌子可以坐六个人....
肢体语言也可以用来吸引异性的注意。Body language can also be used to attract members of the opposite sex.我们对异性的吸引程度更多的来自内在的自信，而不是长相。Our level of attraction to the opposite sex has more to do with our inner confidence than how we look.青春时期...
Most of the discussion was on what needed to be done now as we transitioned from the security issues to the challenging economic issues.随着我们由安全议题转向具有挑战性的经济议题，讨论最多的就是目前需要做些什么。Most of the discussion was on what needed to b...