ecotourn.到生态环境保存完好的自然地区的旅行
ECOpref.表示“环境”;“生态”;“生态学的”
eco- economic construction生态经济建设
ecological culture on campus校园生态文化
ecological safe shelter zone生态安全屏障
ecocriticism and ecofeminism生态女性主义批评
Ecological management region生态治理区
ecological system of wetland湿地生态系统
ecological pollution control生态治污
ecological compensation area生态补偿区