3 sentences

1. 山上的林木葱郁，景色优美。

   shān​shàng de lín​mù cōng yù, jǐng​sè yōu​měi.

   The trees on the mountain are lush and the scenery is beautiful.

   Source: Dong Chinese Dictionary

2. 郁老师把这篇课文讲得非常生动。

   Yù lǎo​shī bǎ zhè piān kè​wén jiǎng de fēi​cháng shēng​dòng.

   Teacher Yu explained this lesson very vividly.

   Source: Dong Chinese Dictionary

3. 他最近心情忧郁，总是一个人坐着。

   tā zuì​jìn xīn​qíng yōu yù, zǒng​shì yī gè rén zuò zhe.

   He has been feeling depressed lately and always sits by himself.

   Source: Dong Chinese Dictionary