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plongement de strates | |||
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grèbes m (Podicipediformes) |
mergulho : 12 phrases in 9 subjects |
Agriculture | 1 |
Chemistry | 3 |
Fish farming pisciculture | 1 |
General | 2 |
Hobbies and pastimes | 1 |
Mechanic engineering | 1 |
Metallurgy | 1 |
Natural sciences | 1 |
Transport | 1 |