2 sentences

1. 准备室里有人。

   zhǔn​bèi​shì lǐ yǒu rén.

   There's someone in the prep room.

   Source: OpenSubtitles

2. 她去了准备室。

   tā qù le zhǔn​bèi​shì.

   She went to the preparation room.

   Source: OpenSubtitles