"Ice cave" 是一个在冰上的洞的英文表达。
Ice cave 来源于英语单词 "ice" 和 "cave" 的组合。"Ice" 指的是冰，"cave" 指的是洞穴。这两个词结合起来，就是指在冰上的洞穴。
例句：
The ice cave was a beautiful and unique natural formation. (这个冰洞是一个美丽而独特的自然形态。)
Tourists were able to explore the ice cave with the help of a guide. (游客在导游的帮助下能够探索这个冰洞。)
The ice cave was so cold that we had to wear warm clothing. (这个冰洞非常冷，我们不得不穿上暖和的衣服。)