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barreira; obstáculo | |||
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barreira de potencial | |||
barragem; barreira; estacada | |||
obstrução |
barriëre : 21 phrases in 12 subjects |
Earth sciences | 1 |
Electronics | 4 |
Environment | 1 |
Finances | 1 |
Fish farming pisciculture | 1 |
General | 3 |
Industry | 1 |
Information technology | 1 |
Materials science | 1 |
Medical | 5 |
Nuclear physics | 1 |
Statistics | 1 |