Eachyear, they are removed from the lake before the winter cold arrives and takento another, warmer body of water where they reside as the Alster freezes over.
每年在寒冷的冬季将艾尔斯特湖冰封之前，天鹅们都会从湖中被转移到另一个更加温暖的水域过冬。
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