| |||
hang in the air | |||
under identification | |||
unverified |
未证实 : 20 phrases in 10 subjects |
Aviation | 1 |
Business | 2 |
Commerce | 1 |
Economy | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 5 |
Hydroelectric power stations | 2 |
Oil / petroleum | 4 |
Technology | 2 |
Textile industry | 1 |