2 sentences

1. 空间的失重使睡眠变得困难。

   kōng​jiān de shī​zhòng shǐ shuì​mián biàn​de kùn​nan.

   The weightlessness of space makes sleeping difficult.

   Source: CCMatrix

2. 然后，在绝对的沉默中，乘客体验失重并漂浮几分钟。

   rán​hòu, zài jué​duì de chén​mò zhōng, chéng​kè tǐ​yàn shī​zhòng bìng piāo​fú jǐ fēn​zhōng.

   Then, in absolute silence, the passengers experience weightlessness and float for a few minutes.

   Source: CCMatrix