2 sentences

1. 如果只有我们两个，我们就用油灯。

   rú​guǒ zhǐ​yǒu wǒ​men liǎng​ge, wǒ​men jiù yòng yóu​dēng.

   When it's just the two of us, we use oil lamps.

   Source: CCMatrix

2. 油灯是古代最常见的居家用品之一。

   yóu​dēng shì gǔ​dài zuì cháng​jiàn de jū​jiā yòng​pǐn zhī​yī.

   Oil lamps were one of the most common household items of ancient times.

   Source: CCMatrix