“台阶”造句

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.