 |
| |||
| częstość f; gęstość f | |||
| częstotliwość f | |||
|
frekvence : 25 phrases in 3 subjects |
| Construction | 18 |
| Economy | 1 |
| Microsoft | 6 |
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