2 sentences

1. “美丽”是一个形容词。

   “ měi​lì” shì yī gè xíng​róng​cí.

   'Beautiful' is an adjective.

   Source: Dong Chinese Dictionary

2. 形容词通常用来修饰名词。

   xíng​róng​cí tōng​cháng yòng​lái xiū​shì míng​cí.

   Adjectives are usually used to modify nouns.

   Source: Dong Chinese Dictionary