Asciencefictionflyingcarlookslikeanormalcar,butitisanai...
问题详情：Asciencefictionflyingcarlookslikeanormalcar,butitisanaircraft(飞行器)thatanybodycanflydirectlyfromanyplacetoanotherwithoutusingroadsorrunways.Sciencefictionwritershavewrittenaboutflyingcarsfor...