 |
| |||
| 横向速度 | |||
| 横向分速度 | |||
|
cross velocity : 20 phrases in 7 subjects |
| Astronautics | 1 |
| Aviation | 3 |
| Chemistry | 2 |
| Desert science | 3 |
| Hydrology | 1 |
| Space | 3 |
| Technology | 7 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips