"走出了山洞"可以用英语表示为 "come out of the cave" 或 "emerge from the cave"。这两种表达都源自英语中的动词"come" 和 "emerge"，分别表示"离开、出现、前来"的意思。

例句：

I finally came out of the cave after being lost for hours. (我在山洞里迷路了好几个小时后终于走出了山洞。)
The hikers emerged from the cave, exhausted but repeved. (登山者们从山洞里走出来，疲惫不堪但感到宽慰。)