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1.The seagulls were gathering around the shore, collecting seaweed for their next meal.
海鸥们聚集在岸边，收集海藻准备下一餐。
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2. The scientist collected seagull poop samples from different locations to study their diet habits.
科学家从不同地点收集海鸥粪便样本，研究它们的饮食习惯。
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3. The seagulls' poop was a rich source of nutrients that could be used by marine life.
海鸥的粪便是丰富的营养来源，可以被海洋生物利用。