疼痛是由他腰部的椎间盘突出引起的。

The pain was caused by a herniated disc in his lower back.

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The pain was caused by a herniated disc in his lower back.

disc 是名词,指"圆盘状的结构",在医学上特指脊柱中起缓冲作用的"椎间盘"。 herniated disc 指椎间盘突出,即椎间盘的一部分突出到正常位置之外,压迫神经导致疼痛。

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