| |||
| feedback | |||
|
feed-back : 10 phrases in 4 subjects |
| Electronics | 1 |
| General | 1 |
| Medical | 7 |
| Natural resourses and wildlife conservation | 1 |
| |||
| feedback | |||
|
feed-back : 10 phrases in 4 subjects |
| Electronics | 1 |
| General | 1 |
| Medical | 7 |
| Natural resourses and wildlife conservation | 1 |