短語詞組短語natural cold resource 天然冷源natural energy resource 自然能源Natural Marketing Resource Economics 自然資源經(jīng)濟(jì)學(xué)natural agricultural resource 辳業(yè)自然資源natural resourcesnatural resource 自然資源natural agriculture resource 辳業(yè)自然資源Russian natural gas resource 俄羅斯天然氣Using Natural Energy Resource 自然能源利用natural precipitation resource 天然降水資源 返回 natural resource