 |
| |||
| gravitate | |||
| free fall | |||
| 自由落下: 38 phrases in 11 subjects |
| Air defense | 1 |
| Aviation | 11 |
| Electronics | 3 |
| General | 1 |
| Metallurgy | 5 |
| Nautical | 1 |
| Outdoor activities and extreme sports | 1 |
| Plastics | 3 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 8 |
|
| |||
| gravitate | |||
| free fall | |||
| 自由落下: 38 phrases in 11 subjects |
| Air defense | 1 |
| Aviation | 11 |
| Electronics | 3 |
| General | 1 |
| Metallurgy | 5 |
| Nautical | 1 |
| Outdoor activities and extreme sports | 1 |
| Plastics | 3 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 8 |