German |
DAD | |
snd.rec. | digitales Audio-Disc-System |
DAD | |
snd.rec. | digitales Audio-Disc-System |
der: 14 phrases in 9 subjects |
Chemistry | 3 |
Economy | 1 |
Health care | 1 |
Mathematics | 1 |
Medical | 4 |
Physical sciences | 1 |
Scientific | 1 |
Statistics | 1 |
Textile industry | 1 |