black earth
black earth
[地质英汉词典]
black earth黑土
是什么意思，black earth的解释，black earth的翻译
[新英汉石油技术词典] black earth
[农牧林英汉词典] black earth
[水利英汉词典] black earth
[环境英汉词典] black earth
[生物学英汉词典] black earth
[石油英汉词典] black earth
[矿业英汉词典] black earth
[能源英汉词典] black earth
[航海英汉词典] black earth