“台阶”怎么读

“台阶”的英语可以翻译为： footstep，step，[讯] pedestal seat，altar，sidestep ...

卢埃林登上台阶，走进城堡主楼。Llewelyn was mounting the stairs up into the keep.他跳着上了台阶，按下了门铃。He bounded up the steps and pushed the bell of the door.只听他咣当一声，摔在了金属台阶上。He hit the metal steps with a ringing crash....