heliograph是什么意思，heliograph怎么读

heliograph基本信息

heliograph基本信息

读法：英 ["hiːlɪə(ʊ)grɑːf] 美 ["hilɪoɡræf]

释义：

n. 太阳摄影机；日光反射信号器；照相制版

vi. 用日光反射信号器发送信息

vt. 用太阳摄影机拍摄；用日光反射信号器发送

使用频率：★

星级词汇：★

英英释义

Noun:

an apparatus for sending telegraphic messages by using a mirror to turn the sun"s rays off and on

Verb:

signal by means of a mirror and the using the sun"s rays

中英词源

heliograph 日光仪

helio-,太阳的，-graph,写，记录。引申词义日光仪。

heliograph (n.): product of a certain type of engraving process, 1853, from helio- + -graph "something written." Earlier, "a description of the sun" (1706, implied in heliographic). Heliography (1845 in the engraving sense) also (1840) was an early term for what came to be called photography.

词态变化

复数 heliographs;

权威造句

1. The heliograph must thus be carefully aligned in the first instance.: 回照器在开始时就要小心地对准.

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近反义词

相似短语

microwave heliograph 微波日像仪

radio heliograph 射电日象仪

monochromatic heliograph 单色日光仪

单词分析

暂无,等待补充.

记忆方法

暂无,等待补充.

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