Defrosting ice formed over the sea shatters and crackles like a sheet of breaking glass. 融冰在海面上支離破碎，嘎嘎作響，像一片破碎的玻璃。
Glacier caves such as these form when seasonal meltwater or geothermal vents cut fissures and channels through an ice sheet. 冰河洞穴像這些形狀當季節性的融冰或地熱的排氣口削減裂隙和通道穿越一個大冰蓋。
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