 |
| 易燃的: 50 phrases in 16 subjects |
| Architecture | 3 |
| Automobiles | 8 |
| Aviation | 2 |
| Economy | 1 |
| Electronics | 1 |
| General | 7 |
| Household appliances | 1 |
| Hydroelectric power stations | 1 |
| International trade | 2 |
| Metallurgy | 3 |
| Nautical | 4 |
| Plastics | 4 |
| Space | 4 |
| Swedish | 1 |
| Technology | 7 |
| United States | 1 |