For each of those procedures, the investigators had the baby's mom and dad alternate who held the baby using kangaroo care.

对于这些程序的每一步，调查员要求母亲和父亲用袋鼠式护理轮流抱孩子。

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For each of those procedures, the investigators had the baby's mom and dad alternate who held the baby using kangaroo care.

对于这些程序的每一步，调查员要求母亲和父亲用袋鼠式护理轮流抱孩子。

youdao