 |
| dusky: 18 phrases in 5 subjects |
| Astronomy | 5 |
| Fish farming pisciculture | 5 |
| Ichthyology | 2 |
| Life sciences | 1 |
| Natural resourses and wildlife conservation | 5 |
|
| dusky: 18 phrases in 5 subjects |
| Astronomy | 5 |
| Fish farming pisciculture | 5 |
| Ichthyology | 2 |
| Life sciences | 1 |
| Natural resourses and wildlife conservation | 5 |