 |
| |||
| пороговая инверсия | |||
|
threshold inversion : 6 phrases in 3 subjects |
| Household appliances | 3 |
| Quantum electronics | 1 |
| Technology | 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