词汇	multi-nationality country
释义	multi-nationality country 多民族国家
随便看	ecological bank revetment ecological barrack ecological barrier ecological barriers ecological base ecological base flow ecological baseline information ecological basic flow ecological basing flow ecological bearing capacity ecological beauty ecological beauty of landscape ecological bed ecological beds ecological behavior ecological behavior civilization ecological belt ecological beneficial factors ecological beneficial forest ecological benefit ecological benefit and social benefit ecological benefit assessment ecological benefit compensation ecological benefit increment evaluation Ecological benefit of cultivated land