| |||
| vertieft in | |||
|
absorbed in : 14 phrases in 7 subjects |
| Biology | 4 |
| Chemistry | 1 |
| Figurative | 1 |
| Foreign trade | 1 |
| General | 4 |
| Metallurgy | 2 |
| Optics branch of physics | 1 |
| |||
| vertieft in | |||
|
absorbed in : 14 phrases in 7 subjects |
| Biology | 4 |
| Chemistry | 1 |
| Figurative | 1 |
| Foreign trade | 1 |
| General | 4 |
| Metallurgy | 2 |
| Optics branch of physics | 1 |