开始，幼崽只喝妈妈的奶，到了三周大时，它们开始吃肉。
At first, they live only on milk from their mother. By three weeks of age, they start eating meat.
许多哺乳专家会建议母乳妈妈不要过早让宝宝使用奶瓶，至少等到宝宝3到4周大，而妈妈的奶量已经稳定的时候再开始使用奶瓶。
Most lactation experts suggest you wait until your baby is 3 to 4 weeks old and breastfeeding is well established before introducing a bottle.
许多哺乳专家会建议母乳妈妈不要过早让宝宝使用奶瓶，至少等到宝宝3到4周大，而妈妈的奶量已经稳定的时候再开始使用奶瓶。
Most lactation experts suggest you wait until your baby is 3 to 4 weeks old and breastfeeding is well established before introducing a bottle.
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