The total soil erosion area in the whole country is 3.56 million km2, water erosion being 1.65 million km2 and wind erosion area 1.91 million km2.是什么意思_The total soil erosion area in the whole country is 3.56 million km2, water erosion being 1.65 million km2 and wind erosion area 1.91 million km2.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句