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| reef A line of rocks in the tidal zone of a coast, submerged at high water but partly uncovered at low water | |||
| رصيف صخري: 3 phrases in 2 subjects |
| Environment | 2 |
| Oceanography & oceanology | 1 |
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| reef A line of rocks in the tidal zone of a coast, submerged at high water but partly uncovered at low water | |||
| رصيف صخري: 3 phrases in 2 subjects |
| Environment | 2 |
| Oceanography & oceanology | 1 |