Mice that lacked the estrogen receptor showed poor ability to locate a platform hidden in a small swimming tank over a training period of several days.

研究者在一段时间内训练小鼠找出一个隐藏到微型游泳槽内的平板，缺乏雌激素受体的小鼠的学习能力很差。

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It might be very small and hidden, but if this corner exists, it calls for a search through the complexities of our human relationships in order to find it. "- Henri J." m.

这个角落可能很小而且隐藏的很隐蔽，但是如果真的存在，能够找到的人，必须穿过错综复杂的人际关系。

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CLI will automatically perform data type conversions in some cases, but this comes with a (small) hidden performance penalty.

在某些情况下，CLI会自动执行数据类型转换，但是这样同时也会带来看不见的(小小的)性能损耗。

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The fixtures throughout the Lodge are entirely done by Rocky Mountain Hardware--understated sand-cast bronze with a natural coating that allows the metal to blend into its environment--and in the mercifully small and hidden salon (a necessary evil in all spas) for sanitary reasons, the pedicure areas use copper basins and no jets.

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Three men have been arrested in Delhi for trying to board a flight with small primates hidden in their underwear.

BBC: Men arrested hiding loris in underwear at Delhi airport

But this is a small microcosm hidden away from the sensitive debate being rekindled in the media and in wider society about whether immigration generally is good or bad for this country - and threatens to deepen a rift already apparent in Norway.

BBC: Norway debates immigration in wake of Breivik killings