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....
Until last year, the regime kept a tight grip on the country...直到去年，那个国家还处于该政权的严密控制之下。I kept the gun aimed squarely at his eyes.我一直将枪径直瞄准他的双眼。He'd obviously kept himself fit despite his years of confinement.显然，尽管监禁多...
In the CAGD field , Coons surface, B spline surface and NURBS surface are mainly used.Coons类曲面 、 B样条曲面和NURBS曲面 是CAGD中 主要的曲面表达形式.Gum disease also more common in Maine Coons than in other breeds.缅因猫的齿龈炎与牙周炎也来的比其他猫种频繁.Most ...
The Public Utilities Commission inspects us once a year.公共事业委员会每年到我们这里视察一次。The dentist inspects the children's teeth twice a year.牙科医生每年给孩子们检查两次牙.When he inspects he brings a needle, probes the cracks on the stairs ...
将一锅盐水放上去煮。Put a pan of salted water on to boil.同时，把碗置于微沸的水上，将白巧克力放入碗中使其熔化。Meanwhile, melt the white chocolate in a bowl suspended over simmering water.把水果和坚果放进罐子里，用白兰地酒浸泡。Pack the fruits and nuts into the jars and cover ...
他动员全世界的舆论反对氢弹试验。He mobilized public opinion all over the world against hydrogen-bomb tests.这种铀和氢的结合,叫做 “ 氢弹 ”.This combination of uranium and hydrogen is called a " hydrogen bomb ".使用氢弹是否违背人道?Would the use of H - bombs b...
Water is not only colourless, but odourless as well.水不仅没有颜色，也没有气味。The gases are odourless.这些气体没有气味。...a completely odourless, colourless, transparent liquid...完全无味、无色、透明的液体Hydrogen is a corlourless, odourless gas.氢气是一种无色...