monitor printer

例句：

1. 1.The printer is not functioning properly; we need to monitor it closely.
   打印机工作不正常，我们需要密切监控它。
2. 2. The supervisor monitors the production line to ensure quality control.
   监督员监控生产线以确保质量控制。
3. 3. The manager monitors the sales team to track their progress and make adjustments as needed.
   经理监督销售团队，跟踪他们的进展并根据需要进行调整。