用“a flight of stairs”造句大全,a flight of stairs造句
Wewalkedupaflightofstairs.aforwardplungedownaflightofstairs.Theoldwomanfelldownaflightofstairs.Wewalkedinsilenceupaflightofstairsanddownalongcorridor.Inanother,toyswereplacedatthetopofaflightofstairs....