| |||
red signal |
红信 号 : 35 phrases in 14 subjects |
Agriculture | 1 |
Business | 1 |
Construction | 1 |
Dragon boat | 1 |
Electronics | 3 |
Environment | 1 |
General | 3 |
Information technology | 2 |
Nautical | 1 |
Oil / petroleum | 1 |
Rowing | 1 |
Shipbuilding | 2 |
Space | 1 |
Technology | 16 |