| |||
flue | |||
dark passage | |||
blind pass; covered way; postern; secret passage |
暗道: 26 phrases in 10 subjects |
Agriculture | 1 |
Animal husbandry | 1 |
Construction | 1 |
Ecology | 1 |
Electronics | 1 |
Engineering geology | 1 |
Multimedia | 1 |
Refrigeration | 1 |
Skiing | 3 |
Technology | 15 |