 |
| |||
| back-kick | |||
| back fire | |||
| back kick | |||
| blowback | |||
| popping | |||
| |||
| return stroke | |||
| |||
| blowback | |||
| 回爆: 24 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Earth sciences | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 7 |
| General | 1 |
| Geophysics | 3 |
| Navigation | 1 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 3 |
| United Nations | 1 |