中英释义：
重点词汇
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土质
soil quality; soil texture; soil composition; soil properties
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肥沃
fertile; rich; prolific; fecund; fertility; richness; enrich; fertilize; make fertile
土质
soil quality; soil texture; soil composition; soil properties
肥沃
fertile; rich; prolific; fecund; fertility; richness; enrich; fertilize; make fertile