She writes that no wild cat would indulge in such useless behavior: "A cat wants to catch the mouse, not chase it in circles forever."
他写道任何一只野猫都不会沉溺于这种无意义的行为：“一只野猫会去抓耗子而不是转来转去毫无休止的抓那些光点”。
In the wide scheme of things, these behavioral deficits could, in the long term, undermine the ability of a species such as the deer mouse to reproduce in the wild.
广泛的说，长远来看，这些行为缺陷可能会破坏鹿鼠等种属在野外的繁殖能力。
METHODS: Mouse lymphoma EL4 cells were inoculated subcutaneously into wild type C57BL/6 mice (immune-competent mice).
方法：给正常野生型C57BL/6小鼠皮下接种小鼠淋巴瘤EL4细胞，建立荷EL4肿瘤的小鼠模型。
METHODS: Mouse lymphoma EL4 cells were inoculated subcutaneously into wild type C57BL/6 mice (immune-competent mice).
方法：给正常野生型C57BL/6小鼠皮下接种小鼠淋巴瘤EL4细胞，建立荷EL4肿瘤的小鼠模型。
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