| 单词 | sentry duty | 
| 释义 | > as lemmassentry duty   sentry duty  n. ΘΚΠ society > armed hostility > defence > action or duty of sentry or picket > 			[noun]		 sentinel1585 sentry1639 sentinelship1643 picket1713 picket duty1764 lookout duty1831 sentry-go1880 sentry-going1901 sentry duty1917 1917    W. Owen Let. 16 Jan. 		(1967)	 428  				Servants don't do Sentry Duty. 1977    Belfast Tel. 28 Feb. 4/3  				A soldier who shot dead a Derry man and injured two other people while on sentry duty in the city last May was jailed for five years. < as lemmas | 
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