N1 | |
commun. | appel lancé; U1 |
N4 | |
commun. | appel délivré; U4 |
dioxyde | |
chem. | bioxyde |
2--3: 155 phrases in 13 subjects |
Agriculture | 7 |
Chemistry | 104 |
Communications | 1 |
Cultural studies | 4 |
Environment | 4 |
Food industry | 11 |
General | 1 |
Health care | 10 |
Industry | 2 |
Law | 5 |
Medical | 4 |
Natural resourses and wildlife conservation | 1 |
Physical sciences | 1 |