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1.The ice buoy was used to keep the boat from drifting too far into the frigid waters.
冰浮标被用来防止船只在寒冷的水域中漂移太远。
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2. The ice buoy was a crucial part of the rescue mission, helping to guide the searchers towards the lost vessel.
冰浮标是救援任务中至关重要的一部分，帮助引导搜救人员找到失事船只。
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3. The ice buoy marked the location where the ship had gone down, providing vital information for the search and rescue efforts.
冰浮标标记了沉船的位置，为搜救工作提供了宝贵的信息。