| 1. | At last the base of the cliff is undermined .
岩壁的下壁终于被掘空。 |
| 2. | We live at the base of the atmosphere .
我们生活在大气的底部中。 |
| 3. | The base of the tower is restrained against rotation .
塔基受到转动约束。 |
| 4. | The sea washes the base of the cliffs .
海水拍打着悬崖的底部。 |
| 5. | A feed screw extends from the base to the knee .
进给丝杠从底座伸向升降台。 |
| 6. | The base chosen should be specified .
选定的基准必须标明。 |
| 7. | The sea laps the base of the cliff .
海水轻拍断崖的底部。 |
| 8. | The sea laps the base of the cliff .
海浪拍打悬崖的底部。 |
| 9. | The mounting is fixed to the base .
支架固定在基座上。 |
| 10. | The base line can be set out as a single or double chain .
基线可作为一条单链系或双链系。 |
