| 1. | The plane is flying at a height of 10 , 000 metres 飞机正在10 , 000米的高空飞行。 |
| 2. | Currents of warm air keep the hang - gliders aloft 悬挂式滑翔机藉著暖气流在高空飞行 |
| 3. | Currents of warm air keep the hang - gliders aloft 悬挂式滑翔机藉着暖气流在高空飞行 |
| 4. | Currents of warm air keep the hang - gliders aloft 悬挂式滑翔机藉著暖气流在高空飞行 |
| 5. | The plane flew at an altitude of 20000 metres 飞机在两万公尺的高空飞行。 |
| 6. | They are flying at an elevation of 8000 feet 他们正在8000英尺高空飞行。 |
| 7. | The plane flew at an altitude of30000 feet 飞机在三万英尺的高空飞行。 |
| 8. | Once we ' ve reached cruising altitude and the captain turns off 在高空飞行时,当机长关掉了 |
| 9. | His plane continued soaring at 5000 metres above sea level 他的飞机一直在海拔五千米的高空飞行。 |
| 10. | The plane continued soaring at 5000 metres above sea level 那架飞机一直在海拔五千米的高空飞行。 |