slowly and firmly
缓慢而坚定地
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Some mothers latch baby onto the breast while sitting up and then slowly slide down into a side-lying position while holding baby gently but firmly so he stays attached.
有些妈妈坐着时让宝宝衔乳，然后抱住正在吃奶的宝宝慢慢躺下侧卧。
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