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lumbar + noun
lumbar 作形容词时通常放在名词前，表示“腰部的”；常见搭配有 lumbar region（腰部）、lumbar puncture（腰椎穿刺）等。
The doctor examined the patient's lumbar spine.
医生检查了病人的腰椎。
腰的；腰部的
先理解核心含义，再看它在真实句子里的用法。
腰的；腰部的
of or relating to or near the part of the back between the ribs and the hipbones
The doctor examined the patient's lumbar spine.
医生检查了病人的腰椎。
与下背部或腰部相关的,特指肋骨和骨盆之间的五块椎骨。
Related to the lower back or loin, specifically the five vertebrae between the rib cage and the pelvis.
The doctor asked him to describe the pain in his lumbar region.
医生让他描述一下他腰部区域的疼痛。
This office chair has good lumbar support to protect your lower back.
这把办公椅有很好的腰部支撑，可以保护你的下背部。
She does yoga every morning to keep her lumbar spine flexible.
她每天早上做瑜伽以保持腰椎灵活。
lumbar 作形容词时通常放在名词前，表示“腰部的”；常见搭配有 lumbar region（腰部）、lumbar puncture（腰椎穿刺）等。
The doctor examined the patient's lumbar spine.
医生检查了病人的腰椎。
在医学语境中，lumbar 也可作名词，指腰椎、腰神经或腰动脉，常用序数词特指某一节段。
The fracture is at the fifth lumbar.
骨折位于第五节腰椎。
Not this
He hurt his lumber spine while lifting weights.
Use this
He hurt his lumbar spine while lifting weights.
lumbar 是形容词，意为“腰部的”；lumber 是名词，意为“木材”。两者读音相近但意思完全不同，修饰 spine 时应用 lumbar。
Not this
My lumbar hurts after sitting for a long time.
Use this
My lower back hurts after sitting for a long time.
lumbar 是形容词，表示“腰部的”，不能直接当身体部位名词使用；表示“下背部”这个身体部位时应用 lower back。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
腰椎
The doctor examined the patient's lumbar spine.
医生检查了病人的腰椎。
腰部
Pain in the lumbar region is common among office workers.
腰部疼痛在办公人员中很常见。
腰椎骨
There are five lumbar vertebrae in the human spine.
人体脊柱中有五块腰椎骨。
腰痛
He complained of chronic lumbar pain after lifting heavy boxes.
他抱怨搬重箱子后慢性腰痛。
腰部支撑
This chair has excellent lumbar support for long hours of sitting.
这把椅子长时间坐着时腰部支撑很好。
腰椎穿刺
A lumbar puncture was performed to test the cerebrospinal fluid.
进行腰椎穿刺以检查脑脊液。
Use lumbar naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
lumbar 与 lumber（木材）只差一个 e，想象搬木材时最吃力的是腰（lumbar）。
语域：formal 常见场景：医学报告、解剖学教材、临床检查 lumbar 是较正式的解剖/医学用语，多用于医学报告、解剖学教材或临床检查等专业场合，日常口语中较少出现；表示“腰的、腰部的”。
lumbar 作名词时指腰动脉、腰神经或腰椎等解剖结构。
Dictionary facts from ECDICT, WIKTIONARY.