These dissolved materials thus pass from the lithosphere to the hydrosphere.因此,这些溶解了的物质就从岩石圈转移到水圈.The hydrosphere and the lithosphere together form the Earth's surface.水圈与岩石圈一起形成地球的表面.Below the lithosphere is the rh...
飞船上的6名宇航员将在太空度过10天。The six astronauts on board will spend ten days in space.太空望远镜拍摄到了迄今为止最清晰的冥王星的照片。The space telescope has taken the clearest pictures ever of Pluto.海伦描述了她身处太空时失重状态下的生活。Helen described life in a weightle...