heliograph
heliograph
noun
[with obj.]
heliographic
adjective
heliography
noun
noun
- a signalling device by which sunlight is reflected in flashes from a movable mirror
日光反射信号器
■a message sent in such a way; a heliogram
日光反射信号 - a telescopic apparatus for photographing the sun
（拍摄太阳用的）（套筒式）太阳照相仪 - (historical)a type of early photographic engraving made using a sensitized silver plate and an asphalt or bitumen varnish
(史)日光胶版
[with obj.]
- (dated)send (a message) by heliograph
(旧)用日光反射信号器发送（信号） - (historical)take a heliographic photograph of
(旧)用太阳照相仪拍摄
heliographic
adjective
heliography
noun
热门查询
- bymotive n.隐蔽的动机，暗中的打算
- byname n.诨名，别名，绰号
- byo abbr.bring your own 自带
- byob abbr.bring your own beer 啤酒自带,bring your own booze 酒宴自备,bring your own bottle 自带瓶
- byobu n.<日>（折叠式彩色）屏风（通常有6扇屏板）
- bypass n.旁道，支路,迂回管道,[电]分路迂徊,[医]导管 vt.疏通,忽视,管道运输
- bypast adj.过去的
- bypath n.小路，私道
- byplay n.配角戏，附属行为，枝节事故
- byplot n.旁节
- byproduct n.副产品,意外结果，副作用
- byr abbr.billion years 十亿年
考试词汇表
