Within weeks of a stroke, new blood vessels begin to form, and, like marching ants, newly born neurons migrate long distances to the damaged area to aid the regeneration process.
在中风的几周内，新血管开始形成，而且，像行军蚂蚁，新生的神经元会长途跋涉迁移到受损区域支援再生过程。
The way they swarm or flock together does not usually get good press coverage either: marching like worker ants might be a common simile for city commuters, but it's a damning, not positive, image.
它们蜂拥或聚集在一起的方式通常不会得到媒体的正面报道：城市的通勤者往往会被比喻成像工蚁一样行进，但这种比喻是一个不佳的、负面的形象。
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