地下通道 dìxiàtōngdào underpass Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 一条地下通道通到街对面的大楼。 yī tiáo dìxiàtōngdào tōng dào jiē duìmiàn de dàlóu. An underground passage leads to the building across the street. Source: UM-Corpus: Science