| 1. | The foundation becomes solid after tamping . 打夯以后,地基就瓷实了。 |
| 2. | The site must be levelled before it is built upon . 建房前要先把地基垫平。 |
| 3. | The builders poured a solid foundation of cement . 建筑工人浇注了坚实的水泥地基。 |
| 4. | This house stands on firm ground . 这房子地基牢固。 |
| 5. | The wall panels were bolted to the concrete foundation . 墙壁镶板用螺栓安装在混凝土地基上。 |
| 6. | The lot is 100 feet deep . 地基进深100英尺。 |
| 7. | The foundations are giving . 地基陷下去了。 |
| 8. | The foundations have caved in . 地基下陷。 |
| 9. | The foundations have subsided . 地基下沉。 |
| 10. | The foundations have sunk . 地基下陷。 |