2 sentences

1. 在空间的真空中，没有气压。

   zài kōng​jiān de zhēn​kōng zhōng, méi​yǒu qì​yā.

   In the vacuum of space, there is no air pressure.

   Source: CCMatrix

2. 答案就是：气压！

   dá'àn jiù​shì: qì​yā!

   The answer is air pressure!

   Source: CCMatrix