2 sentences for 预备 (yù​bèi — preparatory)

1. 他在读大学预备课程。

   tā zài dú dà​xué yù​bèi kè​chéng.

   He is taking university preparatory courses.

   Source: Dong Chinese Dictionary

2. 运动员在起跳前进行了几次预备弹跳。

   yùn​dòng​yuán zài qǐ​tiào qián jìn​xíng le jǐ cì yù​bèi tán​tiào.

   The athlete did a few preparatory hops before the jump.

   Source: Dong Chinese Dictionary