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...
Have you finished taping all the presents?你把所有的礼物都捆好了 吗 ?He's upstairs taping.他在楼上自己录音呢。He shouldn't be taping without the singer's permission.他不该在没有征得演唱者同意的情况下录音。Shopkeepers were taping up their windows.店...