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单词
normal spiral galaxy
释义
normal spiral galaxy
normal spiral galaxy
[
′nȯr·məl ′spī·rəl ′gal·ik·sē
]
(astronomy)
A galaxy that has a lens-shaped central portion with two arms that begin to coil in the same plane and in the same fashion immediately upon emerging from opposite sides of it.
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更新时间:2025/12/1 10:24:49