4 sentences

1. 幽默是一种防御机制。

   yōu​mò shì yī​zhǒng fáng​yù jī​zhì.

   Humor is a defense mechanism.

   Source: CCMatrix

2. 这其实是一种防御机制。

   zhè qí​shí shì yī​zhǒng fáng​yù jī​zhì.

   This is actually a defense mechanism.

   Source: AI Challenger 2017

3. 这种非凡的保护机制背后是什么？

   zhè​zhǒng fēi​fán de bǎo​hù jī​zhì bèi​hòu shì shén​me?

   What is behind this extraordinary protective mechanism?

   Source: CCMatrix

4. 他们没有现代压力锅的所有内置安全机制。

   tā​men méi​yǒu xiàn​dài yā​lì​guō de suǒ​yǒu nèi​zhì ān​quán jī​zhì.

   They didn’t have all the built-in safety mechanisms of modern pressure cookers.

   Source: CCMatrix