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....
Fractures of the nose may be associated with septal tractures and hematomas.鼻骨骨折可伴有中隔骨折和血肿.This can tear the tiny stretched blood vessels and cause bleeding and hematomas.这样会把绷紧了的小血管撕裂,引起出血和脑血肿.Hematomas and blood in the...