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单词
umbra
释义
umbra
/ˈʌmbrə/
n.
( 复
umbrae
or
umbras
)
【天文】
1.
(region of complete shadow)
本影
2.
+of sunspot
(太阳)黑子本影
See also
penumbra
随便看
rangi
rangier
rangier
rangiest
rangiest
rangily
ranginess
ranginesses
ranging
ranging from … to …
ranging pole
ranging pole
ranging-pole
ranging rod
rangiora
rangioras
rangoli
Rangoon
rangy
rani
ranid
ranids
raniform
ranine
ranis
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更新时间:2026/8/19 5:18:09