new
heliograph的英文翻譯是什么意思，詞典釋義與在線翻譯：
英英釋義
Noun:
- an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
- signal by means of a mirror and the using the sun's rays
以內相關內容全權塑造，受著作權防護，侵犯知識產權必究
- 下面熱點話題
相關詞典網站：
