nappe souterraine: 52 phrases in 11 subjects |
Construction | 3 |
Earth sciences | 7 |
Environment | 5 |
Geography | 1 |
Geology | 2 |
Life sciences | 17 |
Metallurgy | 2 |
Natural resourses and wildlife conservation | 3 |
Natural sciences | 1 |
United Nations | 1 |
Water resources | 10 |