an instrument inserted into a body passage for medical inspection or treatment
a reflector in an optical instrument
a patch of colour on the secondary feathers of many birds, esp ducks
[Latin speculum mirror, from specere to look, look at]
| 单词 | speculum |
| 释义 | speculum |
| 随便看 |
英语词典包含66266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。