释义 |
he·lio·graphBrE /ˈhiːliəɡrɑːf/NAmE /ˈhiːliəɡræf/ nouna device which gives signals by reflecting flashes of light from the sun 日光反射信号器;日光仪 (also he·lio·gram BrE /ˈhiːliəɡræm/ NAmE /ˈhiːliəɡræm/) a message which is sent using signals from a heliograph 日光反射信号a special camera which takes photographs of the sun (拍摄太阳用的)太阳照相仪 |