She underwent a transabdominal surgery.

He entered the faculty of commerce and economics.

He is deeply studying the teachings of Prajnaparamita.

He started a new business, but as the proverb 'the road to happiness is strewn with setbacks' suggests, he is facing many difficulties.

My grandfather has been suffering from high blood pressure for many years.

He was diagnosed with acidemia.

I wonder where my sphygmomanometer is?

The vampire bat is active at night and sucks the blood of mammals.

I was shocked by his cruel actions.

The concept of chemical equivalent is essential for understanding chemical reactions.