请输入您要查询的英文单词:

 

单词 chemical focus
释义

Definition of chemical focus in English:

chemical focus

noun
Optics Photography rare
  • The point or distance at which a lens or optical instrument focuses light so as to expose a photographic film.

Origin

Mid 19th century; earliest use found in Robert Hunt (1807–1887), chemist and photographer.

Definition of chemical focus in US English:

chemical focus

noun
Optics Photography rare
  • The point or distance at which a lens or optical instrument focuses light so as to expose a photographic film.

Origin

Mid 19th century; earliest use found in Robert Hunt (1807–1887), chemist and photographer.

随便看

 

英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/10/19 15:25:47