实际上，它是用来将铀浓缩以制造武器。It was actually used for enriching uranium to weapons-grade levels.铀可溶解于海水。Uranium is soluble in sea water.在每1000个铀原子当中,只有七个是铀235.Only 7 uranium atoms of every 1,000 are U - 235....
They walked in a crouch, each bent over close to the ground.他们每个人都俯身贴近地面蹲伏着前进。The fielders crouch around the batsman's wicket.防守队员蹲伏在击球手守卫的三柱门周围。Playing Rooney and Owen means no place for Crouch.让鲁尼和欧文上场就意味着克劳奇要坐板凳....