surveillance

现在分词：

动词现在分词: surveilling

更多词形：

动词过去式: surveilled | 动词过去分词: surveilled | 动词现在分词: surveilling | 动词第三人称单数: surveils |

单词例句：

Conduct test verification and source surveillance.

执行测试确认和资源准备.

Active surveillance and retrospective analysis is in place.

已经落实积极监测和回顾性分析。

The suspect was placed under around-the-clock surveillance.

嫌疑犯被全天候地监视着。

The benefits of easier surveillance are manifold.

监视更为方便的好处多种多样。

He is still under police surveillance.

他仍然受到警方的监视。

It is necessary to maintain surveillance on these meters.

必须对这些仪表保持经常性的监测。

The act was caught on surveillance tape.

监视录像拍到了整个过程。

In fact, surveillance uses manpower intensively.

实际上，监视密集地使用人力资源。

The police have been keeping him under surveillance.

警察一直在严密监视他。