 |
| |||
| buzz | |||
| 蜂声: 16 phrases in 8 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Automobiles | 4 |
| Aviation | 1 |
| General | 4 |
| Otorhinolaryngology | 1 |
| Refrigeration | 1 |
| Technology | 3 |
|
| |||
| buzz | |||
| 蜂声: 16 phrases in 8 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Automobiles | 4 |
| Aviation | 1 |
| General | 4 |
| Otorhinolaryngology | 1 |
| Refrigeration | 1 |
| Technology | 3 |