Some forager ants go out, and as soon as they find food, they pick it up and come back to the nest.
一些觅食蚁外出后，一找到食物就会带上食物回到巢穴里。
The less food there is, the longer it takes the forager to find it and get back.
外面的食物越少，觅食蚁就会花越多的时间寻找食物并将食物带回蚁巢。
Dr Schofield and his team used hi-tech microscopes to compare the pristine teeth of laboratory-reared pupae with the worn teeth of the wild forager ants.
斯科菲尔德博士和他的研究小组用高清显微镜来对比研究室里培养的切叶蚁蚁蛹的牙齿和野外的切叶蚁已经磨损的牙齿。 他们发现蚁蛹的锯片比老龄切叶蚁的锯片锋利340倍。
Dr Schofield and his team used hi-tech microscopes to compare the pristine teeth of laboratory-reared pupae with the worn teeth of the wild forager ants.
斯科菲尔德博士和他的研究小组用高清显微镜来对比研究室里培养的切叶蚁蚁蛹的牙齿和野外的切叶蚁已经磨损的牙齿。 他们发现蚁蛹的锯片比老龄切叶蚁的锯片锋利340倍。
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