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| to board skin | |||
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| coarse; harsh; rough; unpolished | |||
| astringent | |||
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| rough; uneven | |||
| rough (scaber); scabrous (scaber) | |||
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| ladder; washboard | |||
|
asperas : 20 phrases in 10 subjects |
| Agriculture | 3 |
| Bacteriology | 1 |
| Fish farming pisciculture | 1 |
| Forestry | 1 |
| General | 1 |
| Ichthyology | 3 |
| Industry | 5 |
| Medical | 1 |
| Natural sciences | 3 |
| Technology | 1 |