I draw pictures using brown charcoal.

He succeeded in developing a charcoal-powered vehicle.

Spending time with family on Christmas night is the best.

My diet is rich in protein.

The lens of this camera is easy to attach and remove.

He always plays minor parts in the theater company.

I want to eat a beef bowl.

My friend is suffering from herpes simplex.

Fluoromethane plays an important role in chemical reactions.

Difluoromethane is widely used as a refrigerant.