监控系统 jiānkòngxìtǒng monitoring system Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 一个安全监控系统覆盖了整个海滩。 yīge ānquán jiānkòngxìtǒng fùgài le zhěnggè hǎitān. A security monitoring system covers the whole beach. Source: CCMatrix