shè / jì / shī / zài / xiá / zhǎi / de / kōng / jiān / lǐ / ān / zhuāng / le / yí / zuò / qū / chǐ / lóu / tī设计师在狭窄的空间里安装了一座曲尺楼梯。The designer installed an L-shaped staircase in the narrow space.