Outguard
[autgɑ:d]
解释:
(n.) A guard or small body of troops at a distance from the main body of an army, to watch for the approach of an enemy; hence, anything for defense placed at a distance from the thing to be defended.
编辑:韦德
解释:
n. a guard at a distance or at the farthest distance from the main body.
编辑:卡蒂