ross: 31 phrases in 13 subjects |
Analytical chemistry | 1 |
Automobiles | 2 |
Biology | 1 |
Fish farming pisciculture | 1 |
Gear train | 2 |
General | 7 |
Geography | 1 |
Mammals | 2 |
Medical | 1 |
Natural resourses and wildlife conservation | 2 |
Optics branch of physics | 5 |
Ornithology | 4 |
Zoology | 2 |