“原样的”用英语怎么说？

我相信这便是人类不断取得进步而动物维持原样的原因.It is why I believe humans strive for progress and animals remain the same.金属盐分别加强了生物质原样的低温热解和酸洗样的高温热解.Salts strengthened the low - temperature pyrolysis of untreated biomass and high - temperatu...