Nuta奴田nutn.坚果；果仁n.螺母；螺帽；难对付的人(事)vi.采坚果nutation period章动周期Nutural Factors自然因素nutritive canal营养管nutritive organ营养器官nutty structure坚果型结构,颗粒状结构,核状结构nutritive humus营养腐殖质nutritive salts营养盐类nutritive cycle营养循环nutrocytopenina中性白细胞减少[症]nutriture value营养价