ECOWASn.（=Economic Community of West African States）西非国家经济共同体ECOpref.表示“环境”；“生态”；“生态学的”ecological ftmction生态功能ecological pig farm生态猪场ecological corridor生态廊道ecological position生态位ecological benifits生态效益Ecological measures生态措施ecological pigments环保涂料ecologicalized city生态城市Ecological Equality生态平等ecological commerce生态商业