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单词
penumbra
释义
penumbra
noun
countable
UK
/
pəˈnʌmbrə
/
Word Forms
singular
penumbra
plural
penumbras
DEFINITIONS
1
1
an area covered by the outer part of a shadow, so that it is not completely dark
Synonyms and related words
The outer parts of objects or spaces
apex
back
back end
penumbra
noun
countable
physics
US
/
pəˈnʌmbrə
/
Word Forms
singular
penumbra
plural
penumbras
DEFINITIONS
1
1
an area covered by the outer part of a shadow, so that it is not completely dark
Synonyms and related words
The outer parts of objects or spaces
apex
back
back end
随便看
faraway
far be it from me to do something
farce
farcical
fare
farebeat
fare stage
farewell
farfalle
far-fetched
far-flung
far from
far from it
far gone
farinaceous
farkleberry
farm
farmer
farmers’ market
farmhand
farmhouse
farmhouse loaf
farming
farmland
farm out
英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
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更新时间：2025/7/28 16:00:04