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...
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...
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 ...
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...
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 ...