1 sentence

1. 她在成为护士之前是学习天体物理学的。

   tā zài chéng​wéi hù​shi zhī​qián shì xué​xí tiān​tǐ​wù​lǐ​xué de.

   She studied astrophysics before becoming a nurse.

   Source: UM-Corpus: Subtitles