步驟是可數名詞嗎

　　I hopped down three steps.

　　我單腳跳下3級臺階。

　　She walked on a few steps.

　　她繼續走了幾步。

　　She walked daintily down the steps.

　　她優雅輕盈地走下臺階。

　　She climbed up the flight of steps.

　　她爬上了那段臺階。

　　The stone steps were worn and broken.

　　這些石頭臺階被磨平破裂了。