单词 | pentagon |
释义 | pentagon (pentəgən , US -gɑːn ) Word forms: pentagons countable noun A pentagon is a shape with five sides. Regular pentagons have more than one diagonal from each vertex. Pentagon proper noun [NOUN noun] The Pentagon is the main building of the US Defense Department, in Washington. The US Defense Department is often referred to as the Pentagon. ...a news conference at the Pentagon. The Pentagon decided that it needed to make some cuts. A Pentagon spokesman refused to comment. |
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