在大屏幕上，你可以看到米特森医生使用一只微型器械，去掉了病人的发炎组织，在一片像蛋壳那么薄的骨片上穿刺了一个洞。 就是这一层薄薄的骨片，阻塞了巴特勒的鼻窦，让她头痛不止。

On the monitor, you can see the miniature instruments he's using to cut away inflamed tissue and snip away pieces of eggshell-thin bone that block Butler's sinuses and give her nonstop headaches.

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