 |
| |||
| слабо разградимо вещество (Вещество, което не се превръща лесно в друго, обикновено несъставно съединение) | |||
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