2 sentences

1. 这件青花瓷器是乾隆年间的产物。

   zhè jiàn qīng​huā cí​qì shì Qián​lóng nián​jiān de chǎn​wù.

   This blue and white porcelain piece dates back to the Qianlong era.

   Source: Dong Chinese Dictionary

2. 乾隆皇帝是中国历史上实际掌权时间最长的皇帝。

   Qián​lóng huáng​dì shì Zhōng​guó lì​shǐ shàng shí​jì zhǎng​quán shí​jiān zuì cháng de huáng​dì.

   Emperor Qianlong was the longest-reigning de facto ruler in Chinese history.

   Source: Dong Chinese Dictionary