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。...
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...