无菌鼠比另一老鼠会花费更多的时间游荡在空闲区域。
Germ-free mice spent more time roaming about an open arena than other mice did.
当被置于淡与暗区域，大部分老鼠会跑到暗区域，但无菌鼠不会。
When placed in a box with light and dark compartments, most mice tend to seek refuge in the dark sections-but not the germ-free mice.
很多时候无菌托盘在手术需要使用前也存放在这一区域。
Many times sterile trays are stored in this area until needed for surgery.
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