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单词
blueshift
释义
WordReference Random House Unabridged Dictionary of American English © 2024
blue•shift
(blo̅o̅
′
shift′),
USA pronunciation
n.
[
Astron.
]
Astronomy
a shift toward shorter wavelengths of the spectral lines of a celestial object, caused by the motion of the object toward the observer.
Also,
blue
′
shift′.
blue
+
shift
1950–55
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更新时间:2025/7/31 12:56:17