Read Edit View history 预警系统 yùjǐngxìtǒng early warning system Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 预警系统/預警系統 · yùjǐngxìtǒng · early warning system 2026/03/04 预警系统 / 預警系統 yùjǐngxìtǒng early warning system early warning system 政府建立了一套完善的自然灾害预警系统。 created sense Mar 4, 2026, 02:25 AM