查询结果:

n. 盯梢,监视   

来源于法语sur-(上)和veiller(观察)的复合词；veiller来源于拉丁语vigilare(持续观察)。 

拆分: sur-上 + veil观察 + l双写 + -ance名词词尾  

例:
atmospheric surveillance 大气监视 
environmental surveillance 环境监视 
high altitude surveillance 高空侦察 
immunological surveillance 免疫(学)监视 
radar surveillance 雷达监视,雷达对空观察 
satellite and missile surveillance 卫星和导弹监视 
water quality surveillance 水质监视 
Police maintained a 24-hour surveillance on the building. 警方24小时监视这座建筑物。 
The country’s borders are kept under constant surveillance. 这个国家的边境一直处于监控之下。 
The police have been keeping her under surveillance. 警察一直把她置于监视之下。