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bipack
释义
WordReference Random House Unabridged Dictionary of American English © 2024
bi•pack
(bī
′
pak′),
USA pronunciation
n.
[
Photog.
]
Photography
two separate films, each having an emulsion layer sensitive to a different color, held together with their emulsion layers facing for simultaneous exposure through the back of one.
bi
-
1
+
pack
1
1920–25
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更新时间:2025/12/1 21:47:33