surveillance
/sɚˈveɪləns/
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n. 監視；監控
- Surveillance cameras on the platform help staff find lost items and lost children quickly. 月台上的監視器幫助站務人員很快找到遺失物和走失的孩子。
其他意思
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n. 監視, 監控
Surveillance is the careful watching of someone, especially by an organization such as the police or the army.
- He was arrested after being kept under constant surveillance
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