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。

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

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在哪里你可以抱树熊和喂袋鼠呀？

Where can you hold a koala bear and feed a kangaroo?

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在哪里你可以抱树熊和喂袋鼠呀？

Where can you hold a koala bear and feed a kangaroo?

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