spongy soil

例句：

1. 1.The farmer used to plant his crops in spongy soil.
   这位农民过去常在松软的土壤中种植他的作物。
2. 2.The plants need a spongy soil with good drainage.
   这些植物需要排水良好的松软土壤。
3. 3.The gardener is trying to improve the quality of the spongy soil in his garden.
   园艺师正试图改善他花园里松软土壤的质量。