请输入您要查询的英文单词:

 

单词 heliograph
释义

heliograph/ʹheeli·əgrahf/ noun

an apparatus for signalling using the sun's rays reflected from a mirror

a telescope adapted for photographing the sun

an early photographic engraving

heliographic /-ʹgrafik/ adj
heliography /-ʹogrəfi/ noun
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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/9/20 11:01:46