It is impossible to know if an unborn baby can feel happy or sad, but a new study conducted in London has found a baby can distinguish pain from 35 weeks.
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手指的压力能为宝宝减轻由埋在底下的牙齿带来的疼痛感，宝宝应该会愿意接受。
The pressure provides a welcome balance to the pressure your baby feels coming from the buried teeth below.
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