surveillance /sә:'veilәns/ ★★☆☆☆GRE英语词汇 📖 中文释义 n. 监视, 监督[电] 侦测 🔗 释义中的汉语词监视监督 🧩 词形变化 复数 surveillances 📘 English Definition(英文释义) n. close observation of a person or group (usually by the police) ← surveil S 字母词表 surveillance attribute data →