2 sentences

1. 柳树上有一只蝉正大声鸣叫。

   liǔ​shù shàng yǒu yī zhī chán zhèng dà​shēng míng​jiào.

   A cicada is chirping loudly in the willow tree.

   Source: Dong Chinese Dictionary

2. 春天到了，柳树的枝条上长满了绿色的嫩芽。

   chūn​tiān dào le, liǔ​shù de zhī​tiáo shàng zhǎng​mǎn le lǜ​sè de nèn yá.

   Spring has arrived, and the willow branches are covered in green buds.

   Source: Dong Chinese Dictionary