3 sentences

1. 雨后的山林显得生机勃勃，树木极茂。

   yǔ​hòu de shān​lín xiǎn​de shēng​jī​bó​bó, shù​mù jí mào.

   The forest after the rain looks vibrant, and the trees are very lush.

   Source: Dong Chinese Dictionary

2. 这座山谷古木森茂，空气非常清新宜人。

   zhè zuò shān​gǔ gǔ​mù sēn mào, kōng​qì fēi​cháng qīng​xīn yí​rén.

   The valley is lush with ancient trees, and the air is very fresh and pleasant.

   Source: Dong Chinese Dictionary

3. 古书云“本深则标茂”，以此强调根基的重要性。

   gǔ​shū yún“ běn shēn zé biāo mào”, yǐ cǐ qiáng​diào gēn​jī de zhòng​yào​xìng.

   Ancient texts state that 'when the roots are deep, the branches flourish,' emphasizing the importance of a solid foundation.

   Source: Dong Chinese Dictionary