贝尔博士进行了一些列的实验，比如说先把猫鼬幼仔饿一段时间再放回到看护者身边去。
Dr Bell conducted a series of experiments, such as depriving infants of food for a time before returning them to their carers.
研讨会上的一个女人摘下眼镜，用手捂住脸很长时间。这次研讨会在北京的一所大学召开，与会者大多是母亲或职业看护人。
One woman at the seminar, which was offered at a Beijing university and attended mostly by mothers and professional caregivers, took off her glasses and hid her face in her hands for a long time.
研讨会上的一个女人摘下眼镜，用手捂住脸很长时间。这次研讨会在北京的一所大学召开，与会者大多是母亲或职业看护人。
One woman at the seminar, which was offered at a Beijing university and attended mostly by mothers and professional caregivers, took off her glasses and hid her face in her hands for a long time.
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