Three prisoners escaped from a jail.是什么意思？

Three prisoners escaped from a jail.

3名囚犯越狱了。

three

num. 三，三个，第三（章，页等）；n. 三岁，三个人[东西]，三，三个；adj. 三的，三个的；

例句
Outsiders who wed islanders are given only three years' right of abode at first.
岛外的人和岛民结婚之初只能获得三年的居住权。

prisoners

n. 囚徒( prisoner的名词复数 )，俘虏，被夺去自由的人[动物]等；

例句
The regulations were relaxed and the prisoners could get out and about a bit.
规定有所放宽，犯人可以出去短暂放风。

escaped

adj. 溜走；v. 逃脱( escape的过去式和过去分词 )，（气体，液体等）漏出，（未受伤或只受了一点伤害而）逃脱，声音（不自觉地）由…发出；

例句
The gunman escaped on a motorcycle being ridden by an accomplice.
持枪歹徒坐上一辆由同伙驾驶的摩托车逃逸。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

jail

n. 监狱，拘留所；vt. 监禁，拘留；

例句
A dozen inmates have absconded from Forest Jail in the past year.
去年共有12名犯人从福雷斯特监狱逃脱。