He is known as a highly skilled expert in that field.

She put fresh flowers in the vase.

This app is very convenient.

It was confirmed that he was infected with hepatitis B.

Vitamin B1 plays an important role in energy production.

Vitamin B12 is an important nutrient for maintaining the health of the nervous system.

Vitamin B2 is an important nutrient for maintaining healthy skin and vision.

There is a complex love triangle between them.

Understanding probability space is important for learning the basics of statistics.

He disturbed my heart.