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начальный; начинающий |
初发: 44 phrases in 14 subjects |
Astronautics | 1 |
Banking | 1 |
Business | 2 |
Electronics | 1 |
Fish farming pisciculture | 1 |
Forestry | 1 |
General | 19 |
Geology | 1 |
Medical | 5 |
Missiles | 3 |
Nautical | 1 |
Oil processing plants | 1 |
Oilfields | 1 |
Technology | 6 |