| 单词 | θ129821 |
| 释义 | the mind > attention and judgement > enquiry > investigation, inspection > secret observation, spying > procedures used in spying > surveillance [verb (transitive)] (8) Subcategories:— infiltrate (2) — follow (2) — observe (2) — investigate as private detective (2) |
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。