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| stream | |||
| river A stream of water which flows in a channel from high ground to low ground and ultimately to a lake or the sea, except in a desert area where it may dwindle away to nothing. A river and all its tributaries within a single basin is termed a drainage system; flood tide; rising tide; river | |||
| flood | |||
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flod : 24 do fraz, 5 tematyki |
| Budownictwo | 1 |
| Ekonomia | 1 |
| Nauka o ziemi | 3 |
| Nauki o życiu | 10 |
| Ochrona środowiska | 9 |