She decided to have plastic surgery to gain confidence.

He regrets his rash actions.

His rash actions caused a big problem.

You can use a spectrometer to examine the composition of a substance.

The time complexity of this algorithm is O(n).

This rock is rich in silicate.

This product is made of high-quality silicone resin.

He suffered from trigeminal neuralgia for a long time.

He was diagnosed with glioma.

This beautiful stone is called chrysocolla, characterized by its vibrant turquoise color.