It is crucial that the upper back and neck are held in an erect position to give support for the head.
重要的是：上背和颈部要挺直以支撑头部，这一点很重要。
Advantages: Adjustable support level; good for neck pain.
优点：支撑度可调；有益于颈部疼痛的缓解。
Thin neck can not no longer support the weight of the head.
细细的脖子再也支撑不了头的重量。
Jack is sticking his neck out to support this candidate.
杰克为了支持这个候选人真是在冒险。
High back provides great support for your neck.
高靠背可更好地支撑颈部。
Support a child's head and neck when sleeping.
在孩子睡觉时，支撑保护孩子的头部和颈部。
Support child's head and neck when sleeping.
在孩子睡觉时，支撑保护孩子的头部和颈部。
Support child's head and neck when sleeping.
在孩子睡觉时，支撑保护孩子的头部和颈部。
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