vacía: 66 phrases in 18 subjects |
Animal husbandry | 1 |
Antennas and waveguides | 1 |
Aviation | 8 |
Business | 1 |
Corporate governance | 1 |
Electronics | 16 |
Food service and catering | 1 |
General | 17 |
Geology | 1 |
Informal | 3 |
International Monetary Fund | 1 |
Law | 2 |
Mathematics | 3 |
Microsoft | 1 |
Oil / petroleum | 3 |
Packaging | 1 |
Statistics | 3 |
Technology | 2 |