The fossil fuels (coal and oil) are finite resources.化石燃料（如煤和石油）属于有限资源。Peter Forey is curator of fossil fishes at the Natural History Museum.彼得·福雷是自然历史博物馆鱼类化石展厅的负责人。The electricity industry consumes large amounts of foss...
Too much ADB money is still channeled toward fossil fuel energy.亚银有太多经费投注在石化能源业....a tiny fossil plant, only a few centimetres high.一株很小的化石植物，只有几厘米高Power Industries – Nuclear, Fossil Fuel, Combined Cycle, Cogeneration an...
...the shrill whistle of the engine...引擎刺耳的呼啸声The unearthly silence was broken by a shrill screaming.一声尖叫打破了这可怕的沉寂。Shrill cries and startled oaths flew up around us as pandemonium broke out.骚乱爆发时，我们周围充斥着尖厉的哭喊声和难以入耳的咒骂声。M...
Objective To study the clinical effects of demineralized dentin matrix ( DDM ) as a apexificating agent.目的观察同种脱矿牙本质基质 ( DDM ) 用于根尖诱导成形术的临床效果.Overlapping , nonoverlapping and overrelaxation DDM are discussed.讨论了重叠DDM 、 非重...