IN THE hierarchy of transplant surgery,replacing a bronchus (the passage from the main windpipe, the trachea, into alung) does not sound difficult compared with, say, plumbing in a new heart.

在移植级别的手术室中，替换一个支气管（主气管的分支，通入到肺中）听起来与在一个新的心脏中搭桥相比，一点也不困难。

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So 3-d scans of his windpipe were sent to scientists at University College London, which crafted a glass scaffold that was a perfect match for Beyene's trachea and two main bronchi.

他的气管3 - D扫描图被送到伦敦大学的科学家手里，科学家们精心制作了一个和Be yene相匹配的一个有一个气管和两个支气管的支架。

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We were able to see this happen in cells lining the trachea and main bronchi.

我们能够看到这种情况发生在细胞内层气管和主支气管。

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