大楼 dàlóu HSK4 large building Origin Definitions Defs Strokes Stroke Words Sentences Sents 五角大楼 Wǔjiǎo Dàlóu the Pentagon 摩天大楼 mótiāndàlóu skyscraper 百货大楼 bǎihuòdàlóu department store 办公大楼 bàngōngdàlóu office building 公寓大楼 gōngyùdàlóu apartment building 世贸中心大楼 Shìmào Zhōngxīn Dàlóu World Trade Center World Trade Center (the twin towers destroyed by the 9-11 terrorists)