3 sentences

1. 我们在屋顶上玩月亮反射激光呢。

   wǒ​men zài wū​dǐng shàng wán yuè​liang fǎn​shè jī​guāng ne.

   We're up on the roof bouncing laser beams off the moon.

   Source: OpenSubtitles

2. 由于镜面的反射，光线变得很刺眼。

   yóu​yú jìng​miàn de fǎn​shè, guāng​xiàn biàn de hěn cì​yǎn.

   The light became very dazzling due to the reflection from the mirror.

   Source: Dong Chinese Dictionary

3. 膝跳反射是一种基本的神经反应。

   xī​tiào fǎn​shè shì yī zhǒng jī​běn de shén​jīng fǎn​yìng.

   The knee-jerk reflex is a basic neural response.

   Source: Dong Chinese Dictionary