He prayed fervently for his sick friend.

He prayed earnestly for his sick mother.

In the midday heat of summer, he continued to work while drenched in sweat.

His new movie is receiving passionate praise from critics.

His new movie received passionate praise from critics.

He is suffering from combat stress reaction.

Neurotransmitters are responsible for transmitting information between nerve cells.

Sufficient caution is necessary when handling radioactive materials.

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

My company specializes in the manufacture of fine chemicals.