pentagon是什么意思,pentagon怎么背,怎么记,pentagon的词根词缀巧记速记方法,pentagon构词,构成,中文翻译_英语词典

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pentagon 五角形；五角大楼（penta+gon 角）

释义2： pentagon
/ 5pentE7gCn /

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◙ noun
1. a plane figure with five straight sides and five angles
• 五边形
2. (the Pentagon)the pentagonal building serving as the headquarters of the US Department of Defense, near Washington DC
• 五角大楼（美国国防部总部，位于华盛顿特区附近）
  the US Department of Defense
• 美国国防部
 »the Pentagon said 19 of its soldiers had been killed.
  美国国防部声称有19个士兵被杀。♦ pentagonal adjective1. late 16th cent.: via Latin from Greek pentagōnon, neuter (used as a noun) of pentagōnos 'five-angled'

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