3 sentences

1. 强烈的地震是由地壳断层引起的。

   qiáng​liè de dì​zhèn shì yóu dì​qiào duàn​céng yǐn​qǐ de.

   Strong earthquakes are caused by faults in the Earth's crust.

   Source: Dong Chinese Dictionary

2. 医生通过断层扫描检查病人的大脑内部。

   yī​shēng tōng​guò duàn​céng sǎo​miáo jiǎn​chá bìng​rén de dà​nǎo nèi​bù.

   The doctor checked the inside of the patient's brain through a CT scan.

   Source: Dong Chinese Dictionary

3. 由于战争，这种传统手工艺出现了人才断层。

   yóu​yú zhàn​zhēng, zhè zhǒng chuán​tǒng shǒu​gōng​yì chū​xiàn le rén​cái duàn​céng.

   Due to the war, there is a generational gap in the talent for this traditional handicraft.

   Source: Dong Chinese Dictionary