We can crack nuts in the nutcrackers.
我们可以把坚果放在胡桃钳里轧碎。
Nutcrackers with poor memories did not likely survive the harsh mountain winters.
记忆力差的星鸟在这么严酷的冬天也许不能生存。
Because nutcrackers are one of the best at remembering cache locations, researchers are studying them to find out why they have such great memories.
因为星鸟是最擅长记住储存位置的动物之一,研究人员正仔细观察它们,想找出星鸟拥有超强记忆力的原因。
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