融水可能透过冰层，流经冰川壶穴这样的自然管道而消失，有的科学家对这个消失的速度非常困惑。

For some time scientists were puzzled by the speed with which meltwater could disappear through the ice as it drained down natural pipes known as moulins.

youdao

融水可能透过冰层，流经冰川壶穴这样的自然管道而消失，有的科学家对这个消失的速度非常困惑。

For some time scientists were puzzled by the speed with which meltwater could disappear through the ice as it drained down natural pipes known as moulins.

youdao