According to Straneo, the rapid changes to the ice sheet have taken glaciologists by surprise.
据斯特拉内奥说，冰盖的迅速变化令冰川学家措手不及。
2
Glaciologists have been studying the surface of Europa for many years, trying to work out what formed its scarred, fractured surface.
冰河学家对木卫二进行了多年的研究，试图搞清为什么它的表面伤痕累累，裂纹丛生。
3
Glaciologists are racing to understand better how the great ice streams will flow in a warmer world, and the future rate of sea level rise is still uncertain.