| 1. | The water-table has been lowered by drought . 地下水位因干旱已降低。 |
| 2. | Groundwater recharges in aquifers . 地下水重新注入含水层。 |
| 3. | Slowly but surely the great ship glided into the water . 那艘巨轮缓慢而平稳地下水了。 |
| 4. | This study is concerned essentially with subsurface water . 这里的研究主要针对地下水。 |
| 5. | Ground waters originating in different beds commingle . 来源于不同层位的地下水相互混合。 |
| 6. | This solution describes a spreading of a ground water mound . 这个解描述地下水丘的扩展。 |
| 7. | Ground water is found widely . 地下水分布广泛。 |
| 8. | This is the important link for problems of subsurface flow . 这是解决地下水问题的重要一环。 |
| 9. | Ground water is also obtained for human use by sinking wells . 人们也通过挖井来获取地下水以供使用。 |
| 10. | Recovery of ground water may require especially delicate tactics . 利用地下水,需要有特别完善的方案。 |