What type of mattress should I use in a full-size crib?
什么类型的床垫，我应该使用在一个全尺寸的婴儿床？
Infants can suffocate in gaps between crib sides and a mattress that is too small.
婴幼儿可能在床边与垫子之间的缝隙处窒息，因为那里太小了。
Infants can suffocate in gaps between crib sides and a mattress that is too small.
婴幼儿可能在床边与垫子之间的缝隙处窒息，因为那里太小了。
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