surveillance

名词

1. 1

   监视、监控、盯梢

   The suspect has been under police surveillance for three weeks.

   这名嫌犯已经被警方监视三个星期了。

2. 2

   监控、监视系统

   Surveillance cameras cover almost every corner of the parking lot.

   监视摄影机几乎涵盖了停车场的每个角落。

3. 3

   监测医学

   Health officials stepped up surveillance after the first cases appeared.

   出现首批病例后，卫生官员加强了疫情监测。