How to use in-sentence of “sentry”:
+ Try to avoid it.” At one point, GLaDOS tells Chell a chamber is broken and she must go through a chamber full of sentry guns, called Turrets, instead.
+ At this time the sentry posts were guarded by armed police almost continuously.
+ Silent sentry removal.
+ These roads have a concrete median with a sentry box where City of London Policepolice can stand guard and monitor traffic.
+ The Boeing E-3 Sentry is a military aircraft.
+ His first building, the Sentry Gun, is a non-moving gun that targets enemies and shoots automatically.
