surveillance
🇺🇸
/sɜːrˈveɪləns/
🇬🇧
/sɜːˈveɪləns/
noun
C1
the act of watching someone or something closely, often to prevent crime or gather information
Police used surveillance cameras to watch the building for suspicious activity.
경찰은 의심스러운 활동을 감시하기 위해 감시 카메라를 사용하여 건물을 주시했습니다.
translation
감시；감독
어형 변화
Plural
surveillances