侦防 zhēnfáng to investigate and prevent Definitions Defs Origin Strokes Stroke Words Sentences Sents 侦防 偵防 zhēnfáng to investigate and prevent to reconnoiter and defend; to investigate and prevent crimes or threats to social security
侦防 偵防 zhēnfáng to investigate and prevent to reconnoiter and defend; to investigate and prevent crimes or threats to social security