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.
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。
2
The moulins in South China were determined, based on the discovery of many paleo-glacial remnants and the comparison of the moulins that had been found in China and abroad.
南国冰臼群的确定，是在发现大量古冰川遗迹的基础上提出的。
3
This location offers an obvious opening onto the Moulins district and requires taking into account the perception of the new facilitiesas seen from the adjacent urban area.