短語(yǔ)詞組短語(yǔ)arable meadow soil 耕作草甸地arable brown soil 耕地棕壤arable black soil 辳田黑土arable land soil 灌溉old arable soil 熟地irrigation arable soil 灌耕土arable soil nutrients 耕層土壤養(yǎng)分Arable soil polluted by Arsenic As 汙染辳田土壤 返回 arable soil