 |
| |||
| skābeklis | |||
|
oxígeno : 16 phrases in 4 subjects |
| Environment | 10 |
| General | 1 |
| Life sciences | 3 |
| Natural sciences | 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