 |
| |||
| basic computer | |||
|
基本计算机 : 9 phrases in 6 subjects |
| Earth sciences | 1 |
| Electronics | 4 |
| Nautical | 1 |
| Space | 1 |
| Technology | 1 |
| 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