ice mound

例句：

1. 1. The glacier has created a massive ice mound on the mountainside.
   冰川在山边形成了一个巨大的冰丘。
2. 2.The scientist discovered an unusual ice mound in the Arctic.
   科学家在北极发现了一个不寻常的冰丘。
3. 3. The team carefully removed the ice mound to reveal a hidden cave.
   团队小心翼翼地移开了冰丘，露出了一个隐藏的洞穴。