对比观察这三胎小鼠，科学家们还发现，小鼠宝宝的“性格”也在悄悄发生改变。
Adam EleyBBC News
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Now sitting on the inter-tidal mudflats of the estuary, they have created a new land mass on the edge of the existing saltmarsh at Northey Island.
Екатерина Улитина (Редактор отдела «Забота о себе»)