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| rainbow | |||
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| rainbows | |||
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Regenbogen : 24 phrases in 9 subjects |
| Amphibians and reptiles | 4 |
| Cultural studies | 1 |
| Fish farming pisciculture | 5 |
| General | 4 |
| Life sciences | 4 |
| Natural resourses and wildlife conservation | 2 |
| Natural sciences | 2 |
| Optics branch of physics | 1 |
| Physics | 1 |