scan conversion equipment

例句：

1. 1. The engineer scanned the report forerrors.
   工程师检查报告以找出错误。
2. 2. Shescanned the room before entering.
   她进入房间前先扫视了一下。
3. 3. The policescanned the crowd for any suspicious activity.
   警方在人群中扫描，寻找任何可疑活动。