heliograph
'hi:liәgræf
基本解释
n. 日光反射信号器, 太阳摄影机, 日光仪
v. 用太阳摄影机拍摄, 用日光仪传递
英文释义
n. an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
v. signal by means of a mirror and the using the sun's rays
词形变化
上一个单词：heliogramma
下一个单词：heliographed