So Saturn might once have had more-one of which could have had a rocky core surrounded by a shell of water ice.
因此，土星也许曾经拥有多个颗卫星，其中一颗可能是冰层包裹着岩石内核的样子。
Europa is covered in a shell of water ice that's thought to hide an ocean of liquid water below. Liquid water is a key ingredient for life as we know it.
木卫二由水冻冰层所覆盖，人们认为其下流动着大量的液态水，而正如人们所知，液态水是生命存在的重要因素。
So Saturn might once have had more—one of which could have had a rocky core surroundedby a shell of water ice.
所以土星也许曾经有过多个卫星-其中一个可能是由水冰外壳包裹着岩石核心构成。 。
So Saturn might once have had more-one of which could have had a rocky core surrounded by a shell of water ice.
所以土星也许曾经有过多个卫星-其中一个可能是由水冰外壳包裹着岩石核心构成。
The satellite is covered with a smooth shell of ice.
人造卫星上覆盖着一层平滑的冰壳。
Shell & Shadow': a unique architectural language of fluidity inspired by natural ice formations, for stations along Innsbruck's northern chain of mountains.
“壳与影子”：这种独特的建筑语言灵感来自于流动的天然冰，以及车站北部的因斯布鲁克连绵的山脉。
Some have even suggested that planets that have been kicked out of their solar systems could still support life beneath a thick atmosphere or a shell of ice.
甚至有人认为一些从星系里被踢出去的星球依然可以在厚厚的大气层或者冰壳之下孕育生命。
Would you wonder about the bottom of that ice shell?
你对冰层底部感到好奇吗？
Main products are: the ice thermos bottle, plastics, vacuum flask, stainless steel heat kettle, coffee pot, pneumatic iron shell, etc.
主要产品有：保冰保温瓶，塑料保温瓶，不锈钢保温壶，铁壳咖啡壶，气压瓶等。
The utility model relates to a pair of walking ice skating shoes, which can be conveniently disassembled. Each shoe base can rotate in the mode of winding a legging outer shell and is telescopic.
本实用新型涉及一种拆卸方便，鞋座可绕绑腿外壳转动，且鞋座可伸缩的可行走溜冰鞋。
So Saturn might once have had more—one of which could have had a rocky core surrounded by a shell of water ice.
因此，土星可能曾经也有更多的卫星，而且其中一颗应该还有岩石内核，外面覆盖一层水冰外壳。
So Saturn might once have had more—one of which could have had a rocky core surrounded by a shell of water ice.
因此，土星可能曾经也有更多的卫星，而且其中一颗应该还有岩石内核，外面覆盖一层水冰外壳。
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