| 单词 | surveillance |
| 释义 | surveillance /seuhr vay"leuhns, -vayl"yeuhns/, n. 1. a watch kept over a person, group, etc., esp. over a suspect, prisoner, or the like: The suspects were under police surveillance. 2. supervision or superintendence. [1790-1800; < F, equiv. to surveill(er) to watch over (sur- SUR-1 + veiller < L vigilare to watch; see VIGIL) + -ance -ANCE] |
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