organic N有机氮organicadj.器官的；有机的；有组织的；根本的；接近自然的n.有机物质organic additive有机添加剂organic addition有机添加剂organic extracts有机提取物Organic cull ure菠菜organic orchards有机果园organic nutrient有机营养剂Organic materiel有机物料organical ecology有机生态型organic pollutant有机污染物organic reef bank生物礁滩