Age determination data indicate episodic crystallization of uranium minerals.年龄测定数据表明,铀矿物有着不同期的结晶.To make the fissile material, he needs to develop an ability to enrich uranium.为了得到分裂物质，他需要发展浓缩铀的能力。A graben creates a fav...
It was actually used for enriching uranium to weapons-grade levels.实际上，它是用来将铀浓缩以制造武器。Enriched uranium is a key component of a nuclear weapon.浓缩铀是核武器的关键组成部分。Uranium is soluble in sea water.铀可溶解于海水。...
McCaul and his men began to make brazen attempts to recuit KGB men.麦克考尔和他手下的人还肆无忌惮地企图招慕克格勃的人.Quasars are the signatures of distant galaxies housing multi - spectral emanations outside our sphere of consciousness.类星体是远端银河...
Their room was bare of furniture and they lived off porridge.他们家徒四壁，靠喝粥度日。They lived frugally off a diet of porridge and lentils.他们生活节俭,只吃燕麦粥和小扁豆.He's doing porridge again, this time for armed robbery.他又坐牢了, 这次是因为持械...