Then the rest nerving themselves, rush up the ridge, and fall in a line dead under machine-gun fire.

然后其余的人鼓起勇气， 冲上山脊，在机枪火力下排成一排死去。

We can see that migraine is a neurological disorder affecting multiple parts of the brain — the brainstem, cerebral hemispheres, and the nerves themselves.

我们知道偏头痛是一种神经系统疾病，影响了大脑的多个部分——脑干、大脑半球，还有神经本身。

Neuropathic pain, by contrast, occurs when the tissue is healthy but the nerves themselves are damaged—as in the case of spinal-cord injuries or shingles.

相比之下，当组织健康但神经本身受损时（例如脊髓损伤或带状疱疹），就会发生神经性疼痛。