| |||
ground surface; soil | |||
grass | |||
ground level |
niveau du sol : 31 phrases in 11 subjects |
Construction | 4 |
Environment | 5 |
General | 1 |
Industry | 7 |
Life sciences | 1 |
Mechanic engineering | 1 |
Metallurgy | 1 |
Natural sciences | 2 |
Nuclear physics | 5 |
Technology | 1 |
Transport | 3 |