| |||
milky way | |||
ceiling river | |||
Rhipsalis trigona | |||
galaxy |
天河: 49 phrases in 13 subjects |
Astronomy | 1 |
Bridge construction | 3 |
Desert science | 1 |
Ecology | 1 |
Electronics | 2 |
Engineering geology | 3 |
General | 3 |
Hydroelectric power stations | 6 |
Hydrology | 2 |
Oil / petroleum | 2 |
Shipbuilding | 1 |
Space | 1 |
Technology | 23 |