2 sentences

1. 漆黑的屋子里透进一线亮光。

   qī​hēi de wū​zi lǐ tòu jìn yī xiàn liàng​guāng.

   A ray of light shone into the pitch-dark room.

   Source: Dong Chinese Dictionary

2. 由于表面磨得平滑，金属板上映出了灯火的亮光。

   yóu​yú biǎo​miàn mó de píng​huá, jīn​shǔ​bǎn shàng yìng chū le dēng​huǒ de liàng​guāng.

   Because the surface was polished smooth, the metal plate reflected the light of the lamps.

   Source: Dong Chinese Dictionary