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单词
photoheliograph
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pho•to•he•li•o•graph
(fō′tə hē
′
lē ə graf′, -gräf′),
USA pronunciation
n.
[
Astron.
]
Astronomy
an instrument for photographing the sun, consisting of a camera and a specially adapted telescope. Also called
heliograph.
1860–65;
photo
- +
heliograph
pho•to•he•li•o•graph•ic
(fō′tə hē′lē ə graf
′
ik),
USA pronunciation
adj.
pho•to•he•li•og•ra•phy
(fō′tə hē′lē og
′
rə fē),
USA pronunciation
n.
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更新时间:2025/11/15 12:40:54