In addition, some power seats have a lumbar adjustment that USES a small air pump to inflate a bag or bags on the lower back of the seat to serve as a pillow.

此外，还有一些电动座椅具有腰部位置的调整功能，即在椅背的下部有空气泵充气的袋子，用以像枕头一样的调整腰部位置。

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Lumbar support is very important if you're driving a long way.

腰部支撑在长途驾驶时非常重要。

《柯林斯英汉双解大词典》

Either your chair must have some sort of lumbar support or a pillow or backrest achieves this.

你的椅子得有一个能支撑腰部的靠垫或者靠背什么的。

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At the annual meeting of the American Academy of Orthopaedic Surgeons in Las Vegas in February 2009, Norton's Dr. Glassman presented a study on lumbar fusions that showed a significant improvement in fused patients' back pain, leg pain and other quality-of-life measures, both one and two years after their surgery.

WSJ: Top Spine Surgeons Reap Royalties, Medicare Bounty

Kevin Youkilis joined Derek Jeter, Alex Rodriguez, Mark Teixeira and Curtis Granderson on the disabled list Tuesday because of a lumbar spine sprain.

WSJ: Kuroda and Hafner lead Yankees over Astros 7-4

The 34-year-old Youkilis joined Derek Jeter, Alex Rodriguez, Mark Teixeira and Curtis Granderson on New York's star-studded disabled list Tuesday because of a lumbar spine sprain.

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