 |
| radioaktivní: 36 phrases in 6 subjects |
| Astronomy | 1 |
| Economy | 4 |
| Environment | 15 |
| Law | 5 |
| Nuclear and fusion power | 7 |
| Nuclear physics | 4 |
|
| radioaktivní: 36 phrases in 6 subjects |
| Astronomy | 1 |
| Economy | 4 |
| Environment | 15 |
| Law | 5 |
| Nuclear and fusion power | 7 |
| Nuclear physics | 4 |