请输入您要查询的英文单词:

 

单词 speculum
释义 speculum
n. (pl. specula)
  1. Surgery an instrument for dilating the cavities of the human body for inspection.
  2. a mirror, usu. of polished metal, esp. in a reflecting telescope.
  3. Ornithol. a lustrous coloured area on the wing of some birds, esp. ducks.
Phrases and idioms
speculum-metal an alloy of copper and tin used as a mirror, esp. in a telescope.
Etymology: L, = mirror, f. specere look
随便看

 

英语词典包含43808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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/6/6 17:18:01