How long can we continue to supplement agroecosystems with energy derived from declining fossil fuel supplies?由于矿物燃料供应量下降,我们供应农业生态系统能量能持续多久?Power Industries – Nuclear, Fossil Fuel, Combined Cycle, Cogeneration and Distri...
His eyes is staring his front ignorantly.他把眼睛茫然凝视着他的前方.I conceive that you ignorantly worship; in all things you appear to me too superstitions.我认为你是在愚昧地崇拜, 我觉得你对各种事情都很迷信.They lived ignorantly in their own small world.他们...