立体交叉 lìtǐjiāochā grade separation Origin Definitions Defs Strokes Stroke Words Sentences Sents 立体 立體 lìtǐ multi-dimensional multi-layered or multi-faceted, such as an integrated transport network or a multi-pronged offensive交叉 jiāochā verbadjective to intersect to cross; to intersect; to crisscross