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。
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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