曲尺楼梯 qūchǐlóutī L-shaped staircase Origin Definitions Defs Strokes Stroke Words Sentences Sents 曲尺 qūchǐ carpenter's square a L-shaped tool used by woodworkers and builders to measure or mark right angles; set square楼梯 樓梯 lóutī noun stairs stairs; staircase; stairway