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。

《柯林斯英汉双解大词典》

You need to stretch your legs, arms, back and neck before you do any difficult activities like running.

在做任何困难的运动如跑步之前，腿、手臂、背部和脖子要有充分拉伸。

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Keep your upper back and neck comfortably straight.

保持后背上部和颈部舒适挺直。

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When I am facing a lot of pressure at work, my back and neck will start to hurt.

VOA: special.2010.01.24

It watched the back of his neck and hat for a minute, and then a hand came in and sat on his shoulder.

他从后面看了看,那个人的脖颈和帽子，然后将手伸进了车窗,搭在了他的肩上。

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A thick mane grows from the top of the head and down the back of the neck.

VOA: special.2010.06.22

Our eyes become strained, our back and neck get out of whack, and we gain weight.

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He has not had symptoms with his back and neck for about 7-to-10 days.

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So the patient's back and neck are immobilised by strapping them to a specially-designed board.

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