11. | He added sand to the soil to make it more porous. |
| 他往土里搀沙子以提高渗水性能。
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12. | He worked hard to produce good crops from poor soil . |
| 他辛勤耕作,为使瘠薄的土地上长出好庄稼。
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13. | The soil produces good crops. |
| 这种土壤能长出好庄稼来。
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14. | The size of the crop depends on the productivity of the soil . |
| 作物的产量取决于土地的肥沃程度。
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15. | The soil has to be purified of all bacteria. |
| 要消灭这土壤的所有细菌使之净化。
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16. | Stamp the soil down so that it's compact. |
| 把泥土踩结实。
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17. | Transplant the seedlings into peaty soil . |
| 把幼苗移栽到含泥炭的土壤里。
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18. | The soil had been turned up by the plough. |
| 那片地是用犁翻的。
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19. | There are a lot of worms in the soil . |
| 泥土中有许多蠕虫。
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20. | She stamped the soil (flat/down) round the plant. |
| 她把那株植物周围的土踩(平[实])了。
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