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逐词背单词扩展级

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surveillance [sɜ:ˈveɪləns]

基本释义：n.监视，监督
英英释义：the careful watching of a person or place , especially by the police or army , because of a crime that has happened or is expected

参考例句：

1. The police are keeping the suspects under constant surveillance.警方正对嫌疑人实施不间断监视。
2. The army carried out covert surveillance of the building for several months.军队对这座建筑物进行了数月的秘密监视。

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