 |
| |||
| jump | |||
|
阶差 : 65 phrases in 16 subjects |
| Air defense | 2 |
| Aviation | 7 |
| Business | 12 |
| Cryptography | 2 |
| Earth sciences | 2 |
| Ecology | 1 |
| Economy | 2 |
| Electronics | 5 |
| Metallurgy | 2 |
| Nautical | 1 |
| Nursing | 2 |
| Oil / petroleum | 1 |
| Space | 5 |
| Surgery | 2 |
| Technology | 18 |
| Telecommunications | 1 |
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