| |||
open terrain | |||
open space | |||
open ground | |||
clear terrain; unclosed ground | |||
open country |
开阔地: 23 phrases in 10 subjects |
Agriculture | 1 |
Desert science | 7 |
Earth sciences | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Oil / petroleum | 3 |
Rugby football | 1 |
Shooting sport | 3 |
Space | 1 |
Technology | 3 |
Wind Energy | 2 |