4 sentences

1. 在拔掉优盘之前，请先在电脑上点击弹出。

   zài bá​diào yōu​pán zhī​qián, qǐng xiān zài diàn​nǎo shàng diǎn​jī tán​chū.

   Please click 'eject' on the computer before unplugging the flash drive.

   Source: Dong Chinese Dictionary

2. 安全气囊在车辆发生碰撞时会迅速充气弹出。

   ān​quán​qì​náng zài chē​liàng fā​shēng pèng​zhuàng shí huì xùn​sù chōng​qì tán​chū.

   Airbags inflate and deploy quickly during a vehicle collision.

   Source: Dong Chinese Dictionary

3. 他弹出了一首动人的乐曲。

   tā tán​chū le yī shǒu dòng​rén de yuè​qǔ.

   He played a moving piece of music.

   Source: Dong Chinese Dictionary

4. 保存文件时，屏幕上弹出一个确认窗口。

   bǎo​cún wén​jiàn shí, píng​mù shàng tán​chū yī gè què​rèn chuāng​kǒu.

   A confirmation window popped up on the screen when saving the file.

   Source: Dong Chinese Dictionary