 |
| |||
| number of sample | |||
|
加样数 : 8 phrases in 5 subjects |
| Aviation | 2 |
| Earth sciences | 1 |
| Electronics | 2 |
| Military | 1 |
| Space | 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