noun · relating to tomography or a cross-section of an object

医生通过断层扫描检查病人的大脑内部。

noun · a crack or break in the earth's crust accompanied by displacement

强烈的地震是由地壳断层引起的。

noun · a figurative rupture or discontinuity, especially in the transmission of skills or across generations

由于战争，这种传统手工艺出现了人才断层。