Các câu ví dụ cho từ monitor

1. There are scientists who also monitor glaciers - but no polar bears.

2. On September 30, Prime Minister Pham Minh Chinh had said that HCMC and the provinces of Binh Duong, Dong Nai and Long An should continue to monitor the flow of people going in and out and not let them travel to other localities unsupervised.