locked down

locked down 基本解释

In a virtual storage system, a term applied to a page or segment that must remain in primary storage during processing or during a particular phase of processing (to one that cannot be deleted). These locations where such a page or segment is held are a save area.

词组短语

• 1、being locked down 被锁定
• 2、locked down city 锁定的城市
• 3、locked down immediately 立即锁定

重点词汇

locked adj. 上锁的；不灵活的；锁定的；下定决心的 v. 锁住（ lock的过去式和过去分词）；卡住，不动；陷入；卷入（困境、争论、争执等）

down adv. （坐、倒、躺）下；向下；（表示范围或顺序的限度）下至 prep. （从高处）向下；（表示位置）在…的下方；（表示方向）沿着…向下；（表示时间）自…以来 adj. 向下的；沮丧的；计算机或计算机系统停机；（以…）落后于对手的 n. （鸟的）绒羽；绒毛；软毛；汗毛 vt. 放下；（尤指大口或快速地）喝下；使摔倒；击落（敌机等） vi. [常用于祈使句中]下去；下来；卧倒；下降