He returned to work earlier this month after successful surgery to plug a pin-size hole in the bone covering the semicircular superior canal in one of his ears.
本月早前，在将覆盖着上半规管的引脚大小的骨头缺口填补的手术成功之后，他重新回到了工作岗位。
Yet superior canal dehiscence syndrome (SCDS) is a very real affliction caused by a small hole in the bone covering part of the inner ear.
上半规管裂综合征(SCDS)是由覆盖内耳的某部分骨头上出现漏洞而引起。
If you have a normal thickness of bone, which is about 0.6 or 0.7 millimeter covering the superior canal, that's very unlikely to ever erode.
如果你有正常厚度——大概0.6 ~ 0.7毫米——的骨头覆盖上半规管，那就很难发生病变了。
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