| 单词 | surveillance activity |
| 释义 | surveillance activitysurveillance activityAny activity that evaluates exposure or trends in health events in a population over a specified period of time. |
| 随便看 |
|
英语词典包含2567994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。