| 单词 | heliograph |
| 释义 | Word Frequency heliograph(ˈhiːlɪəʊˌɡrɑːf, -ˌɡræf) noun 1. an instrument with mirrors and a shutter used for sending messages in Morse code by reflecting the sun's rays 2. a device used to photograph the sun Derived forms heliographer (ˌhiːlɪˈɒɡrəfə) noun heliographic (ˌhiːlɪəʊˈɡræfɪk) or heliographical (ˌhelioˈgraphical) adjective heliography (ˌheliˈography) noun |
| 随便看 |
英语词典包含233703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。