The normal development of the teeth and jaws may be affected by the way that a child sleeps.

孩子们牙齿和颌部的正常发育可能因睡眠的姿势而受到影响。

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The normal development of the teeth and jaws may be affected by the way that a child sleeps.

孩子们牙齿和颌部的正常发育可能因睡眠的姿势而受到影响。

youdao