基本解释[经济学]风沙过渡区英汉例句双语例句The classification of coastal dunes is the most important basic problem in the research on the landscape of the wind drift sand in coastal region.海岸沙丘分类一直是海岸风沙地貌研究的重要基础问题之一。wind drift sand region更多例句专业释义经济学风沙过渡区