 |
| |||
| 播放时间选择 | |||
|
option time : 27 phrases in 12 subjects |
| Advertising | 3 |
| Air defense | 1 |
| Aviation | 2 |
| Business | 1 |
| Electronics | 2 |
| Finances | 3 |
| Information technology | 2 |
| Project management | 1 |
| Radio | 1 |
| Securities | 5 |
| Technology | 4 |
| Telecommunications | 2 |
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