| |||
sunk | |||
underwater | |||
undersurface; subsurface | |||
sub-surface |
水面下的 : 19 phrases in 10 subjects |
Agriculture | 1 |
Aviation | 2 |
Cosmetics and cosmetology | 1 |
Economy | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 3 |
Hydroelectric power stations | 2 |
Metallurgy | 1 |
Technology | 5 |
Water resources | 2 |