3 sentences

1. 他拥有一头浓密的黑色卷发。

   tā yōng​yǒu yī tóu nóng​mì de hēi​sè juǎn​fà.

   He has thick black curly hair.

   Source: Dong Chinese Dictionary

2. 这棵大树在地上投下了一大片浓密的荫。

   zhè kē dà​shù zài dì shàng tóu​xià le yī dà piàn nóng​mì de yìn.

   The large tree cast a large, thick shadow on the ground.

   Source: Dong Chinese Dictionary

3. 浓密的乌云遮住了午后的阳光。

   nóng​mì de wū​yún zhē​zhù le wǔ​hòu de yáng​guāng.

   Thick dark clouds blocked the afternoon sun.

   Source: Dong Chinese Dictionary