所有大陆可能曾处于完全深层次的结冰状态或者说整个星球可能是被移动中的冰川或者冰山控制——或者说是介于两者之间的某种物质。
The continents may have been in a total deep freeze, or the planet may have simply been subjected to a patchwork of constantly moving glaciers or icebergs-or something in between.
“所有主要格陵兰冰川最终于海洋，冰川和潮水控制的90格陵兰排放入海的冰百分之，”利格诺特说。
All major Greenland glaciers end up in the ocean, and tidewater glaciers control 90 percent of the ice discharged by Greenland into the sea, "Rignot said."
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