| 11. | This method of using "controls" can be applied to a variety of situations, and can be used to find the answer to questions as widely different as "Must moisture be present if iron is to rust?" and "Which variety of beans gives the greatest yield in one season?" |
| 这种使用参照物的方法可以应用于许多种情况, 也能用来找到很不相同的各种问题的答案, 从“铁生锈, 是否必须有一定的湿度才行?”到“哪种豆类一季的产量最高?”
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| 12. | The dehumidifier filters the moisture out of the air. |
| 除湿剂能将空气的水分滤除。
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| 13. | plants that suck up moisture from the soil |
| 从土壤中吸收水分的植物
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| 14. | a moisture barrier |
| 防湿层
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| 15. | absorb moisture from the air |
| 吸收空气中的水分
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| 16. | liberally ample moisture stored in the subsoil |
| 在下层土壤中储存的大量水分
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| 17. | a moisture proof envelope |
| 防潮信封（套封）
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| 18. | be retentive of moisture |
| 能保持湿度
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| 19. | absorb moisture |
| 吸收水分[潮气]
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| 20. | keep out moisture |
| 防止潮气进入
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