架 空

to build (a hut etc) on stilts
to install (power lines etc) overhead
(fig.) unfounded; impractical
(fig.) to make sb a mere figurehead

出现在

架空历史jià kōng lì shǐalternate history; counterfactual history (genre of fiction)架空索道jià kōng suǒ dàoaerial ropeway